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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  10616  modifeq2int  10744  modaddmodup  10745  seq3f1olemqsum  10871  seq3f1o  10875  exple1  10953  leexp2rd  11061  nn0ltexp2  11067  facubnd  11103  permnn  11129  dfabsmax  11895  expcnvre  12182  dvdsadd2b  12519  dvdsmulgcd  12714  sqgcd  12718  bezoutr  12721  cncongr2  12794  pw2dvds  12856  hashgcdlem  12928  modprm0  12945  modprmn0modprm0  12947  2idlcpblrng  14658  tgioo  15406  mpodvdsmulf1o  15845  perfectlem2  15855  lgssq  15900  lgssq2  15901  gausslemma2dlem7  15928  lgsquad2lem1  15941  lgsquad2lem2  15942
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