Dictionary.com

indirect proof

noun

an argument for a proposition that shows its negation to be incompatible with a previously accepted or established premise.

QUIZZES

LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!

Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?
gato/gata
cato/cata
gatto/gatta
TAKE THE QUIZ TO FIND OUT

Words nearby indirect proof

indirect lighting, indirect nuclear division, indirect object, indirect ophthalmoscope, indirect primary, indirect proof, indirect question, indirect reacting bilirubin, indirect speech, indirect tax, indirect transfusion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for indirect proof

indirect proof

noun

logic maths proof of a conclusion by showing its negation to be self-contradictory; reductio ad absurdumCompare direct (def. 17)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012