The word is in the Wiktionary

1 short excerpt of Wiktionnary (A collaborative project to produce a free-content dictionary.)

— English word —

• proof␣by␣contradiction n. (Mathematics, logic) Proof of a statement adduced by deriving a contradiction from the statement’s negation.

11 English words from the English definition

adduced contradiction deriving from logic Mathematics negation of␣a Proof statement the

58 words-in-word (Words found as is inside the word. Minimum size 3 letters.)

Adi adic -adic con Con CON -con con- cont cont. contr contr. contra Contra contra- contradict contradiction CTI DIC DICT diction ICT ion Ion -ion NTR ntr. Ont ONT on't Ont. oof pro Pro PRO pro- Pro. -pro- proof Proof -proof rad RAD rad. Radi Radic Radić roo 'roo roof Roof tio Tio tion -tion tra TRA trad

32 words-in-word RTL (Words found written from right to left, inside the word. Minimum size 3 letters.)

art Art ART 'art art. CID dar Dar DAR -dar dart Dart DArT DART foo Foo foo' Foor Ida I'da Ida. I'd-a ITC NOC NOI noit OIt OIT orp RTN TCI TNO

One anagram found with an extra letter (New word formed with all the letters from the word and an extra letter.)

proofs␣by␣contradiction

One epenthesis (New word found when adding only one letter.)

proofs␣by␣contradiction

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