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  10901  bcpasc  11124  bccl  11125  hashfibc  11200  pw2dvds  12856  qnumdencoprm  12883  qeqnumdivden  12884  grpinvid  13762  qus0  13941  ghmid  13955  mgpvalg  14056  mgpex  14058  opprex  14206  unitgrpid  14252  qusmul2  14664  psrbaglesuppg  14808  dvef  15579  2lgs  15964  uhgrsubgrself  16248