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Theorem syl32anc 1281
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 1276 1 (𝜑𝜁)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104  w3a 1004
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 1006
This theorem is referenced by:  ioom  10526  modifeq2int  10654  modaddmodup  10655  seq3f1olemqsum  10781  seq3f1o  10785  exple1  10863  leexp2rd  10971  nn0ltexp2  10977  facubnd  11013  permnn  11039  dfabsmax  11800  expcnvre  12087  dvdsadd2b  12424  dvdsmulgcd  12619  sqgcd  12623  bezoutr  12626  cncongr2  12699  pw2dvds  12761  hashgcdlem  12833  modprm0  12850  modprmn0modprm0  12852  2idlcpblrng  14561  tgioo  15307  mpodvdsmulf1o  15743  perfectlem2  15753  lgssq  15798  lgssq2  15799  gausslemma2dlem7  15826  lgsquad2lem1  15839  lgsquad2lem2  15840
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