Theorem idiVD

Description: Virtual deduction proof of idiALT . The following user's proof is completed by invoking mmj2's unify command and using mmj2's StepSelector to pick all remaining steps of the Metamath proof.

	Ref	Expression
Hypothesis	idiVD.1	|- ph
Assertion	idiVD	|- ph

Proof

Step	Hyp	Ref	Expression
1		idiVD.1	|- ph
2		id	|- ( ph -> ph )
3	1 2	e0a	|- ph