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	<id>https://gate.unigre.it/mediawiki/index.php?action=history&amp;feed=atom&amp;title=Page%3AOrganum_mathematicum_libris_IX._explicatum_%281668%29.djvu%2F544</id>
	<title>Page:Organum mathematicum libris IX. explicatum (1668).djvu/544 - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://gate.unigre.it/mediawiki/index.php?action=history&amp;feed=atom&amp;title=Page%3AOrganum_mathematicum_libris_IX._explicatum_%281668%29.djvu%2F544"/>
	<link rel="alternate" type="text/html" href="https://gate.unigre.it/mediawiki/index.php?title=Page:Organum_mathematicum_libris_IX._explicatum_(1668).djvu/544&amp;action=history"/>
	<updated>2026-04-23T13:14:22Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.35.7</generator>
	<entry>
		<id>https://gate.unigre.it/mediawiki/index.php?title=Page:Organum_mathematicum_libris_IX._explicatum_(1668).djvu/544&amp;diff=90913&amp;oldid=prev</id>
		<title>ArchivesPUG: /* top */added Template:TurnPage, replaced: &lt;references/&gt; → &lt;references/&gt; {{TurnPage}}</title>
		<link rel="alternate" type="text/html" href="https://gate.unigre.it/mediawiki/index.php?title=Page:Organum_mathematicum_libris_IX._explicatum_(1668).djvu/544&amp;diff=90913&amp;oldid=prev"/>
		<updated>2020-05-06T14:50:31Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;top: &lt;/span&gt;added &lt;a href=&quot;/mediawiki/index.php/Template:TurnPage&quot; title=&quot;Template:TurnPage&quot;&gt;Template:TurnPage&lt;/a&gt;, replaced: &amp;lt;references/&amp;gt; → &amp;lt;references/&amp;gt; {{TurnPage}}&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 14:50, 6 May 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Page body (to be transcluded):&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Page body (to be transcluded):&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l4&quot; &gt;Line 4:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 4:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Ratio Regulae'' est, quia tot dierum differentia est inter annum veteris et novi Calendarii quolibet tempore post Calendarium correctum, quot sunt dies exemptiles, quibus novum praecedit vetus, manente ordine Feriarum prorsus codem ab anni principio. Cum ergo quilibet dies exemptilis suae Feriae indicem habeat; se ex Calendario veteri auferuntur dies, auferuntur et indices Feriarum. Sicut ergo antea, dum dividebantur dies et Feriae per 7, remanebat index Feriae pro Calendario veteri: ita et post subtractionem dierum exemptilium.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Ratio Regulae'' est, quia tot dierum differentia est inter annum veteris et novi Calendarii quolibet tempore post Calendarium correctum, quot sunt dies exemptiles, quibus novum praecedit vetus, manente ordine Feriarum prorsus codem ab anni principio. Cum ergo quilibet dies exemptilis suae Feriae indicem habeat; se ex Calendario veteri auferuntur dies, auferuntur et indices Feriarum. Sicut ergo antea, dum dividebantur dies et Feriae per 7, remanebat index Feriae pro Calendario veteri: ita et post subtractionem dierum exemptilium.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;center&amp;gt;Annotatio I.&amp;lt;/center&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;center&amp;gt;Annotatio I.&amp;lt;/center&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Eandem Feriam pro Calendario novo invenies ex Feria pro veteri inventa, si ex diebus exemptilibus auferantur omnes septenarii; et residuum subtrahatur ex indice Feriae antiqui Calendarii jam antea reperto. Ut in exemplo antea allato, index Feria antiqui Calendarii est 3; dies exemptiles sunt 10; residuum, post ablata 7 ex 10, est etiam 3; hoc si auferatur ab illo priori, nihil remanet. Ergo Feria 7 est illa, quae quaerebatur.''&amp;lt;noinclude&amp;gt;&amp;lt;references/&amp;gt;&amp;lt;/noinclude&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Eandem Feriam pro Calendario novo invenies ex Feria pro veteri inventa, si ex diebus exemptilibus auferantur omnes septenarii; et residuum subtrahatur ex indice Feriae antiqui Calendarii jam antea reperto. Ut in exemplo antea allato, index Feria antiqui Calendarii est 3; dies exemptiles sunt 10; residuum, post ablata 7 ex 10, est etiam 3; hoc si auferatur ab illo priori, nihil remanet. Ergo Feria 7 est illa, quae quaerebatur.''&amp;lt;noinclude&amp;gt;&amp;lt;references/&amp;gt; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{TurnPage}}&lt;/ins&gt;&amp;lt;/noinclude&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>ArchivesPUG</name></author>
	</entry>
	<entry>
		<id>https://gate.unigre.it/mediawiki/index.php?title=Page:Organum_mathematicum_libris_IX._explicatum_(1668).djvu/544&amp;diff=70554&amp;oldid=prev</id>
		<title>ArchivesPUG: /* top */clean up</title>
		<link rel="alternate" type="text/html" href="https://gate.unigre.it/mediawiki/index.php?title=Page:Organum_mathematicum_libris_IX._explicatum_(1668).djvu/544&amp;diff=70554&amp;oldid=prev"/>
		<updated>2020-02-14T09:43:54Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;top: &lt;/span&gt;clean up&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 09:43, 14 February 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Page body (to be transcluded):&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Page body (to be transcluded):&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l4&quot; &gt;Line 4:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 4:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Ratio Regulae'' est, quia tot dierum differentia est inter annum veteris et novi Calendarii quolibet tempore post Calendarium correctum, quot sunt dies exemptiles, quibus novum praecedit vetus, manente ordine Feriarum prorsus codem ab anni principio. Cum ergo quilibet dies exemptilis suae Feriae indicem habeat; se ex Calendario veteri auferuntur dies, auferuntur et indices Feriarum. Sicut ergo antea, dum dividebantur dies et Feriae per 7, remanebat index Feriae pro Calendario veteri: ita et post subtractionem dierum exemptilium.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Ratio Regulae'' est, quia tot dierum differentia est inter annum veteris et novi Calendarii quolibet tempore post Calendarium correctum, quot sunt dies exemptiles, quibus novum praecedit vetus, manente ordine Feriarum prorsus codem ab anni principio. Cum ergo quilibet dies exemptilis suae Feriae indicem habeat; se ex Calendario veteri auferuntur dies, auferuntur et indices Feriarum. Sicut ergo antea, dum dividebantur dies et Feriae per 7, remanebat index Feriae pro Calendario veteri: ita et post subtractionem dierum exemptilium.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;center&amp;gt;Annotatio I.&amp;lt;/center&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;center&amp;gt;Annotatio I.&amp;lt;/center&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Eandem Feriam pro Calendario novo invenies ex Feria pro veteri inventa, si ex diebus exemptilibus auferantur omnes septenarii; et residuum subtrahatur ex indice Feriae antiqui Calendarii jam antea reperto. Ut in exemplo antea allato, index Feria antiqui Calendarii est 3; dies exemptiles sunt 10; residuum, post ablata 7 ex 10, est etiam 3; hoc si auferatur ab illo priori, nihil remanet. Ergo Feria 7 est illa, quae quaerebatur.''&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Eandem Feriam pro Calendario novo invenies ex Feria pro veteri inventa, si ex diebus exemptilibus auferantur omnes septenarii; et residuum subtrahatur ex indice Feriae antiqui Calendarii jam antea reperto. Ut in exemplo antea allato, index Feria antiqui Calendarii est 3; dies exemptiles sunt 10; residuum, post ablata 7 ex 10, est etiam 3; hoc si auferatur ab illo priori, nihil remanet. Ergo Feria 7 est illa, quae quaerebatur.''&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;lt;noinclude&amp;gt;&amp;lt;references/&amp;gt;&amp;lt;/noinclude&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[[Category:AKC Works pages]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[[Category:AKC Pages]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[[Category:Organum mathematicum (1668)]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Footer (noinclude):&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Footer (noinclude):&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;lt;references/&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>ArchivesPUG</name></author>
	</entry>
	<entry>
		<id>https://gate.unigre.it/mediawiki/index.php?title=Page:Organum_mathematicum_libris_IX._explicatum_(1668).djvu/544&amp;diff=68342&amp;oldid=prev</id>
		<title>Antonio Mele: /* Not proofread */ Created page with &quot;&lt;center&gt;Pro Calendario novo.&lt;/center&gt; ''PRimo fiant omnia, ut antea pro Calendario veteri, nempe colligantur in unam summam anni Christi tam communes, quam bissextiles elapsi,...&quot;</title>
		<link rel="alternate" type="text/html" href="https://gate.unigre.it/mediawiki/index.php?title=Page:Organum_mathematicum_libris_IX._explicatum_(1668).djvu/544&amp;diff=68342&amp;oldid=prev"/>
		<updated>2020-01-09T17:41:58Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Not proofread: &lt;/span&gt; Created page with &amp;quot;&amp;lt;center&amp;gt;Pro Calendario novo.&amp;lt;/center&amp;gt; &amp;#039;&amp;#039;PRimo fiant omnia, ut antea pro Calendario veteri, nempe colligantur in unam summam anni Christi tam communes, quam bissextiles elapsi,...&amp;quot;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;noinclude&amp;gt;&amp;lt;pagequality level=&amp;quot;1&amp;quot; user=&amp;quot;Lovison2019 MELE&amp;quot; /&amp;gt;&amp;lt;/noinclude&amp;gt;&amp;lt;center&amp;gt;Pro Calendario novo.&amp;lt;/center&amp;gt;&lt;br /&gt;
''PRimo fiant omnia, ut antea pro Calendario veteri, nempe colligantur in unam summam anni Christi tam communes, quam bissextiles elapsi, et anni currentis dies dati, summaque mutiletur unitate. Deinde ex summa sic mutilata auferantur dies exemptiles dato anno Christi competentes, residuumque dividatur per 7; eritque quod restat Feria quaesita. Si nihil restat, erit Feria septima, seu Sabbathum.''&amp;lt;br&amp;gt;&lt;br /&gt;
EXEMPLUM. Vis scire, ut antea, in quam Feriam seu diem septimanae inciderit dies 15 Augusti, anni Christi 1665. Summa annorum communium et bissextorum elapsorum, nec non dierum currentis anni, unitate subtracta, est, ut vidimus, 2306; dies exemptiles anni 1665 sunt 10: hi subtracti a 2306, relinquunt 2296: his divisis per 7, nihil remanet. Fuit ergo dies 15 Augusti praedicti anni Feria 7, seu Sabbathum.&amp;lt;br&amp;gt;&lt;br /&gt;
''Ratio Regulae'' est, quia tot dierum differentia est inter annum veteris et novi Calendarii quolibet tempore post Calendarium correctum, quot sunt dies exemptiles, quibus novum praecedit vetus, manente ordine Feriarum prorsus codem ab anni principio. Cum ergo quilibet dies exemptilis suae Feriae indicem habeat; se ex Calendario veteri auferuntur dies, auferuntur et indices Feriarum. Sicut ergo antea, dum dividebantur dies et Feriae per 7, remanebat index Feriae pro Calendario veteri: ita et post subtractionem dierum exemptilium.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;lt;center&amp;gt;Annotatio I.&amp;lt;/center&amp;gt;&lt;br /&gt;
''Eandem Feriam pro Calendario novo invenies ex Feria pro veteri inventa, si ex diebus exemptilibus auferantur omnes septenarii; et residuum subtrahatur ex indice Feriae antiqui Calendarii jam antea reperto. Ut in exemplo antea allato, index Feria antiqui Calendarii est 3; dies exemptiles sunt 10; residuum, post ablata 7 ex 10, est etiam 3; hoc si auferatur ab illo priori, nihil remanet. Ergo Feria 7 est illa, quae quaerebatur.''&amp;lt;noinclude&amp;gt;&amp;lt;references/&amp;gt;&amp;lt;/noinclude&amp;gt;&lt;/div&gt;</summary>
		<author><name>Antonio Mele</name></author>
	</entry>
</feed>