Theorem axia2

Description: Right 'and' elimination (intuitionistic logic axiom ax-ia2). (Contributed by Jim Kingdon, 21-May-2018) (New usage is discouraged.)

	Ref	Expression
Assertion	axia2	$$⊢\left(\phi \wedge \psi \right)\to \psi$$

Proof

Step	Hyp	Ref	Expression
1		simpr	$$⊢\left(\phi \wedge \psi \right)\to \psi$$