Definition of Contrapositive. Meaning of Contrapositive. Synonyms of Contrapositive

Here you will find one or more explanations in English for the word Contrapositive. Also in the bottom left of the page several parts of wikipedia pages related to the word Contrapositive and, of course, Contrapositive synonyms and on the right images related to the word Contrapositive.

Definition of Contrapositive

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Meaning of Contrapositive from wikipedia

- its logically equivalent contrapositive, and an ****ociated proof method known as § Proof by contrapositive. The contrapositive of a statement has its antecedent...
- application of the general truth that if a statement is true, then so is its contrapositive. The form shows that inference from P implies Q to the negation of Q...
- {\displaystyle \neg P\rightarrow \neg Q} . Since an inverse is the contrapositive of the converse, inverse and converse are logically equivalent to each...
- a\neq b,} then f ( a ) ≠ f ( b ) {\displaystyle f(a)\neq f(b)} in the contrapositive statement. Symbolically, ∀ a , b ∈ X , f ( a ) = f ( b ) ⇒ a = b , {\displaystyle...
- make the immediate inference that "All non-P are non-S" which is the contrapositive of the given statement. Given a type O statement, "Some S are not P...
- A^{\complement }.} (this follows from the equivalence of a conditional with its contrapositive). Involution or double complement law: ( A ∁ ) ∁ = A . {\displaystyle...
- Name Statement Contrapositive / Obverted Contrapositive Contrapositive per accidens / Obverted Contrapositive per accidens / Condition of Validity A All...
- then "this person does not live in San Diego" (non-P). This is the contrapositive of the first statement, and it must be true if and only if the original...
- conjecture, the idea that an absence of detectable Von Neumann probes is contrapositive evidence that no intelligent life exists outside of the Sun's Solar...
- the integral test for convergence. The test is typically proven in contrapositive form: If ∑ n = 1 ∞ a n {\displaystyle \sum _{n=1}^{\infty }a_{n}} converges...