inverse

¹in·verse

adjective \(ˌ)in-ˈvərs, ˈin-ˌ\

Definition of INVERSE

1

: opposite in order, nature, or effect

2

: being an inverse function <inverse sine>

Examples of INVERSE

1. Addition and subtraction are inverse operations.

Origin of INVERSE

Middle English, turned upside down, from Latin inversus, from past participle of invertere

First Known Use: 15th century

Rhymes with INVERSE

adverse, amerce, asperse, averse, coerce, commerce, converse, cutpurse, disburse, disperse, diverse, dry nurse, free verse, immerse, Nez Percé, obverse, perverse, rehearse, reverse, scrub nurse, sesterce, submerse, transverse, traverse, wet nurse

²inverse

noun

Definition of INVERSE

1

: something of a contrary nature or quality : opposite, reverse

2

: a proposition or theorem formed by contradicting both the subject and predicate or both the hypothesis and conclusion of a given proposition or theorem <the inverse of “if A then B” is “if not-A then not-B”> — compare contrapositive

3

a : inverse function; also : an operation (as subtraction) that undoes the effect of another operation

b : a set element that is related to another element in such a way that the result of applying a given binary operation to them is an identity element of the set

Examples of INVERSE

1. the inverse of your argument

First Known Use of INVERSE

circa 1681

Other Logic Terms

a posteriori, connotation, corollary, inference, mutually exclusive, paradox, postulate, syllogism