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Theorem idiALT 38503
Description: Placeholder for idi 2. Though unnecessary, this theorem is sometimes used in proofs in this mathbox for pedagogical purposes. (Contributed by Alan Sare, 31-Dec-2011.) (Proof modification is discouraged.) (New usage is discouraged.)
Hypothesis
Ref Expression
idiALT.1 𝜑
Assertion
Ref Expression
idiALT 𝜑

Proof of Theorem idiALT
StepHypRef Expression
1 idiALT.1 1 𝜑
Colors of variables: wff setvar class
This theorem is referenced by:  ax6e2nd  38594  trsspwALT2  38866  sspwtrALT  38869  suctrALT  38881  sstrALT2  38890  suctrALT3  38980  sspwimpALT  38981  ax6e2ndALT  38986  ax6e2ndeqALT  38987  isosctrlem1ALT  38990  iunconnlem2  38991  sineq0ALT  38993
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