NFE Home New Foundations Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  NFE Home  >  Th. List  >  imdi Unicode version

Theorem imdi 352
Description: Distributive law for implication. Compare Theorem *5.41 of [WhiteheadRussell] p. 125. (Contributed by NM, 5-Aug-1993.)
Assertion
Ref Expression
imdi

Proof of Theorem imdi
StepHypRef Expression
1 ax-2 6 . 2
2 pm2.86 94 . 2
31, 2impbii 180 1
Colors of variables: wff setvar class
Syntax hints:   wi 4   wb 176
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8
This theorem depends on definitions:  df-bi 177
This theorem is referenced by:  pm5.41  353  orimdi  820
  Copyright terms: Public domain W3C validator