If and only if/Definition: Difference between revisions

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imported>Peter Schmitt
(New page: <noinclude>{{Subpages}}</noinclude> A frequently used phrase of mathematical language which states that two statements are (logically) equivalent. cf. necessary and sufficient.)
 
imported>Peter Schmitt
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A frequently used phrase of mathematical language which
A frequently used phrase of mathematical language which states that two statements are (logically) equivalent; cf. [[necessary and sufficient]].
states that two statements are (logically) equivalent.
cf. [[necessary and sufficient]].

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A definition or brief description of If and only if.

A frequently used phrase of mathematical language which states that two statements are (logically) equivalent; cf. necessary and sufficient.