https://wiki.tiffa.net/w/index.php?action=history&feed=atom&title=Item%3AQ5554 2026-04-19T20:55:13Z Revision history for this page on the wiki MediaWiki 1.43.0 https://wiki.tiffa.net/w/index.php?title=Item:Q5554&diff=25649&oldid=prev 2023-03-25T10:33:39Z

<p>‎<span dir="auto"><span class="autocomment">Created claim: </span></span> <a href="/wiki/Property:P333" title="‎defining formula‎ | ‎mathematical formula representing a theorem or law. Maximum length: 400 characters‎"><span class="wb-itemlink"><span class="wb-itemlink-label" lang="en" dir="ltr">defining formula</span> <span class="wb-itemlink-id">(P333)</span></span></a>: a \times b = 0 \implies a=0 \lor b=0</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 19:33, 25 March 2023</td> </tr><tr><td colspan="2" class="diff-lineno"></td><td colspan="2" class="diff-lineno">Property / <a title="Property:P333" href="/wiki/Property:P333">defining formula</a></td></tr><tr><td colspan="2"> </td><td class="diff-marker" data-marker="+"></td><td style="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;"><div><ins style="font-weight: bold; text-decoration: none;"><span><h4 class="wb-details wb-math-details wb-math-rendered"><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a\times b=0\implies a=0\lor b=0}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> <mo>&#x00D7;<!-- × --></mo> <mi>b</mi> <mo>=</mo> <mn>0</mn> <mspace width="thickmathspace" /> <mo stretchy="false">&#x27F9;<!-- ⟹ --></mo> <mspace width="thickmathspace" /> <mi>a</mi> <mo>=</mo> <mn>0</mn> <mo>&#x2228;<!-- ∨ --></mo> <mi>b</mi> <mo>=</mo> <mn>0</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a\times b=0\implies a=0\lor b=0}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3bf8d6bccb74dd1b732c962127826da031ae177c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:29.047ex; height:2.176ex;" alt="{\displaystyle a\times b=0\implies a=0\lor b=0}"></span></h4><div class="wb-details wb-math-details"><code>a \times b = 0 \implies a=0 \lor b=0</code></div></span></ins></div></td></tr><tr><td colspan="2" class="diff-lineno"></td><td colspan="2" class="diff-lineno">Property / <a title="Property:P333" href="/wiki/Property:P333">defining formula</a>: <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a\times b=0\implies a=0\lor b=0}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> <mo>&#x00D7;<!-- × --></mo> <mi>b</mi> <mo>=</mo> <mn>0</mn> <mspace width="thickmathspace" /> <mo stretchy="false">&#x27F9;<!-- ⟹ --></mo> <mspace width="thickmathspace" /> <mi>a</mi> <mo>=</mo> <mn>0</mn> <mo>&#x2228;<!-- ∨ --></mo> <mi>b</mi> <mo>=</mo> <mn>0</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a\times b=0\implies a=0\lor b=0}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3bf8d6bccb74dd1b732c962127826da031ae177c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:29.047ex; height:2.176ex;" alt="{\displaystyle a\times b=0\implies a=0\lor b=0}"></span> / rank</td></tr><tr><td colspan="2"> </td><td class="diff-marker" data-marker="+"></td><td style="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;"><div><ins style="font-weight: bold; text-decoration: none;"><span>Normal rank</span></ins></div></td></tr></table>

Fire https://wiki.tiffa.net/w/index.php?title=Item:Q5554&diff=25648&oldid=prev 2023-03-25T10:33:10Z

<p>‎<span dir="auto"><span class="autocomment">Created claim: </span></span> <a href="/wiki/Property:P2" title="‎instance of‎ | ‎that class of which this subject is a particular example and member; different from P1 (subclass of); for example: K2 is an instance of mountain; volcano is a subclass of mountain (and an instance of volcanic landform)‎"><span class="wb-itemlink"><span class="wb-itemlink-label" lang="en" dir="ltr">instance of</span> <span class="wb-itemlink-id">(P2)</span></span></a>: <a href="/wiki/Item:Q139" title="‎mathematical property‎ | ‎mathematical concept‎"><span class="wb-itemlink"><span class="wb-itemlink-label" lang="en" dir="ltr">mathematical property</span> <span class="wb-itemlink-id">(Q139)</span></span></a></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 19:33, 25 March 2023</td> </tr><tr><td colspan="2" class="diff-lineno"></td><td colspan="2" class="diff-lineno">Property / <a title="Property:P2" href="/wiki/Property:P2">instance of</a></td></tr><tr><td colspan="2"> </td><td class="diff-marker" data-marker="+"></td><td style="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;"><div><ins style="font-weight: bold; text-decoration: none;"><span><a title="Item:Q139" href="/wiki/Item:Q139">mathematical property</a></span></ins></div></td></tr><tr><td colspan="2" class="diff-lineno"></td><td colspan="2" class="diff-lineno">Property / <a title="Property:P2" href="/wiki/Property:P2">instance of</a>: <a title="Item:Q139" href="/wiki/Item:Q139">mathematical property</a> / rank</td></tr><tr><td colspan="2"> </td><td class="diff-marker" data-marker="+"></td><td style="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;"><div><ins style="font-weight: bold; text-decoration: none;"><span>Normal rank</span></ins></div></td></tr></table>

Fire https://wiki.tiffa.net/w/index.php?title=Item:Q5554&diff=25647&oldid=prev 2023-03-25T10:32:54Z

<p>‎<span dir="auto"><span class="autocomment">Created a new Item: </span></span> zero-product property, mathematical property shared by many number systems, that a product cannot be zero unless one of its factors is zero</p> <a href="https://wiki.tiffa.net/w/index.php?title=Item:Q5554&amp;diff=25647">Show changes</a>

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