Conditionals/Unit 2 Flashcards
Conditional (4ex. IT.I.IM.O)
An if then statement
Ex.
if P(hypothesis), then q(conclusion)
q if P
P implies q
P only if q
Converse
If q, then p
Is the Converse of a conditional always true?
No, if u can think of one instance it is false, the entire sentence is false and is called a counterexample.
Converse of Conditional is true
Biconditional
Inverse
If not P, then not Q
Contrapositive
If not q, then not p
Conditional/Converse
Inverse/Contrapositive
Conditional: If it is raining, then the ground is wet
Conditional: If it is raining, then the ground is wet
Converse: If the ground is wet, then it is raining
Inverse: if it is not raining, then the ground is not wet
Contrapositive: If the ground is not wet, then it is not raining
Which are logically equivalent
Conditional&Counterpositive