Theorem mpd3an23 1376

Description: An inference based on modus ponens. (Contributed by NM, 4-Dec-2006.)

Hypotheses

Ref	Expression
mpd3an23.1	⊢ (𝜑 → 𝜓)
mpd3an23.2	⊢ (𝜑 → 𝜒)
mpd3an23.3	⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃)

Assertion

Ref	Expression
mpd3an23	⊢ (𝜑 → 𝜃)

Proof of Theorem mpd3an23

Step	Hyp	Ref	Expression
1		id 19	. 2 ⊢ (𝜑 → 𝜑)
2		mpd3an23.1	. 2 ⊢ (𝜑 → 𝜓)
3		mpd3an23.2	. 2 ⊢ (𝜑 → 𝜒)
4		mpd3an23.3	. 2 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃)
5	1, 2, 3, 4	syl3anc 1274	1 ⊢ (𝜑 → 𝜃)

Syntax hints:   → wi 4   ∧ w3a 1005

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108

This theorem depends on definitions:  df-bi 117  df-3an 1007

This theorem is referenced by:  exp0  10932  bcpasc  11156  bccl  11157  hashfibc  11235  pw2dvds  12891  qnumdencoprm  12918  qeqnumdivden  12919  ballotfilem1ri  13225  grpinvid  13818  qus0  13991  ghmid  14005  mgpvalg  14165  mgpex  14167  opprex  14319  unitgrpid  14366  qusmul2  14806  psrbaglesuppg  14950  dvef  15721  2lgs  16106  uhgrsubgrself  16390