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Theorem orim1d 812
Description: Disjoin antecedents and consequents in a deduction. (Contributed by NM, 23-Apr-1995.)
Hypothesis
Ref Expression
orim1d.1
Assertion
Ref Expression
orim1d

Proof of Theorem orim1d
StepHypRef Expression
1 orim1d.1 . 2
2 idd 21 . 2
31, 2orim12d 811 1
Colors of variables: wff setvar class
Syntax hints:   wi 4   wo 357
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 177  df-or 359  df-an 360
This theorem is referenced by:  pm2.38  815  pm2.73  818  pm2.74  819  pm2.8  823  pm2.82  825  moeq3  3013  unss1  3432
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