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	$$⊢\phi$$
Assertion	idiVD	$$⊢\phi$$

Proof

Step	Hyp	Ref	Expression
1		idiVD.1	$$⊢\phi$$
2		id	$$⊢\phi \to \phi$$
3	1 2	e0a	$$⊢\phi$$