Theorem idiALT 32297

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	|- ph

Assertion

Ref	Expression
idiALT	|- ph

Proof of Theorem idiALT

Step	Hyp	Ref	Expression
1		idiALT.1	1 |- ph

This theorem is referenced by:  ax6e2nd  32411  trsspwALT2  32697  sspwtrALT  32700  suctrALT  32706  sstrALT2  32715  suctrALT3  32804  sspwimpALT  32805  ax6e2ndALT  32810  ax6e2ndeqALT  32811  isosctrlem1ALT  32814  iunconlem2  32815  sineq0ALT  32817