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Theorem syl32anc 1282
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.)
Hypotheses
Ref Expression
sylXanc.1 (𝜑𝜓)
sylXanc.2 (𝜑𝜒)
sylXanc.3 (𝜑𝜃)
sylXanc.4 (𝜑𝜏)
sylXanc.5 (𝜑𝜂)
syl32anc.6 (((𝜓𝜒𝜃) ∧ (𝜏𝜂)) → 𝜁)
Assertion
Ref Expression
syl32anc (𝜑𝜁)

Proof of Theorem syl32anc
StepHypRef Expression
1 sylXanc.1 . 2 (𝜑𝜓)
2 sylXanc.2 . 2 (𝜑𝜒)
3 sylXanc.3 . 2 (𝜑𝜃)
4 sylXanc.4 . . 3 (𝜑𝜏)
5 sylXanc.5 . . 3 (𝜑𝜂)
64, 5jca 306 . 2 (𝜑 → (𝜏𝜂))
7 syl32anc.6 . 2 (((𝜓𝜒𝜃) ∧ (𝜏𝜂)) → 𝜁)
81, 2, 3, 6, 7syl31anc 1277 1 (𝜑𝜁)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104  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:  ioom  10627  modifeq2int  10755  modaddmodup  10756  seq3f1olemqsum  10882  seq3f1o  10886  exple1  10964  leexp2rd  11073  nn0ltexp2  11079  facubnd  11115  permnn  11142  dfabsmax  11910  expcnvre  12197  dvdsadd2b  12534  dvdsmulgcd  12729  sqgcd  12733  bezoutr  12736  cncongr2  12809  pw2dvds  12871  hashgcdlem  12943  modprm0  12960  modprmn0modprm0  12962  2idlcpblrng  14720  tgioo  15468  mpodvdsmulf1o  15907  perfectlem2  15917  lgssq  15962  lgssq2  15963  gausslemma2dlem7  15990  lgsquad2lem1  16003  lgsquad2lem2  16004
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