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Theorem e2bir 40844
Description: Right biconditional form of e2 40842. syl6ibr 253 is e2bir 40844 without virtual deductions. (Contributed by Alan Sare, 29-Apr-2011.) (Proof modification is discouraged.) (New usage is discouraged.)
Hypotheses
Ref Expression
e2bir.1 (   𝜑   ,   𝜓   ▶   𝜒   )
e2bir.2 (𝜃𝜒)
Assertion
Ref Expression
e2bir (   𝜑   ,   𝜓   ▶   𝜃   )

Proof of Theorem e2bir
StepHypRef Expression
1 e2bir.1 . 2 (   𝜑   ,   𝜓   ▶   𝜒   )
2 e2bir.2 . . 3 (𝜃𝜒)
32biimpri 229 . 2 (𝜒𝜃)
41, 3e2 40842 1 (   𝜑   ,   𝜓   ▶   𝜃   )
Colors of variables: wff setvar class
Syntax hints:  wb 207  (   wvd2 40788
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This theorem depends on definitions:  df-bi 208  df-an 397  df-vd2 40789
This theorem is referenced by:  trsspwALT  41029  pwtrVD  41035  eqsbc3rVD  41051  tpid3gVD  41053  onfrALTlem1VD  41101
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