Theorem imdistani 449

Description: Distribution of implication with conjunction. (Contributed by NM, 1-Aug-1994.)

Hypothesis

Ref	Expression
imdistani.1	|- ( ph -> ( ps -> ch ) )

Assertion

Ref	Expression
imdistani	|- ( ( ph /\ ps ) -> ( ph /\ ch ) )

Proof of Theorem imdistani

Step	Hyp	Ref	Expression
1		imdistani.1	. . 3 |- ( ph -> ( ps -> ch ) )
2	1	anc2li 329	. 2 |- ( ph -> ( ps -> ( ph /\ ch ) ) )
3	2	imp 124	1 |- ( ( ph /\ ps ) -> ( ph /\ ch ) )

This proof depends on syntax axioms:   -> wi 4   /\ wa 104

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108

This theorem is used by:  syldanl  453  xoranor  1426  nfan1  1617  sbcof2  1863  difin  3468  difrab  3507  rabsnifsb  3777  opthreg  4703  wessep  4725  fvelimab  5759  elfvmptrab  5802  dffo4  5856  dffo5  5857  ltaddpr  7965  recgt1i  9231  elnnnn0c  9613  elnnz1  9672  recnz  9744  eluz2b2  10013  elfzp12  10517  pfxsuff1eqwrdeq  11487  cos01gt0  12549  oddnn02np1  12666  reumodprminv  13055  ballotfilemfc0  13284  ballotfilemfcc  13285  ballotfilemth  13333  sgrpidmndm  13786  elply2  15927  bj-charfundc  17000