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Theorem idiVD 41421
Description: Virtual deduction proof of idiALT 41034. 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.
h1:: 𝜑
qed:1,?: e0a 41329 𝜑
(Contributed by Alan Sare, 31-Dec-2011.) (Proof modification is discouraged.) (New usage is discouraged.)
Ref Expression
idiVD.1 𝜑
Ref Expression
idiVD 𝜑

Proof of Theorem idiVD
StepHypRef Expression
1 idiVD.1 . 2 𝜑
2 id 22 . 2 (𝜑𝜑)
31, 2e0a 41329 1 𝜑
Colors of variables: wff setvar class
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7
This theorem is referenced by: (None)
  Copyright terms: Public domain W3C validator