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Theorem syl323anc 1427
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.)
Hypotheses
Ref Expression
syl3anc.1 (𝜑𝜓)
syl3anc.2 (𝜑𝜒)
syl3anc.3 (𝜑𝜃)
syl3Xanc.4 (𝜑𝜏)
syl23anc.5 (𝜑𝜂)
syl33anc.6 (𝜑𝜁)
syl133anc.7 (𝜑𝜎)
syl233anc.8 (𝜑𝜌)
syl323anc.9 (((𝜓𝜒𝜃) ∧ (𝜏𝜂) ∧ (𝜁𝜎𝜌)) → 𝜇)
Assertion
Ref Expression
syl323anc (𝜑𝜇)

Proof of Theorem syl323anc
StepHypRef Expression
1 syl3anc.1 . 2 (𝜑𝜓)
2 syl3anc.2 . 2 (𝜑𝜒)
3 syl3anc.3 . 2 (𝜑𝜃)
4 syl3Xanc.4 . . 3 (𝜑𝜏)
5 syl23anc.5 . . 3 (𝜑𝜂)
64, 5jca 521 . 2 (𝜑 → (𝜏𝜂))
7 syl33anc.6 . 2 (𝜑𝜁)
8 syl133anc.7 . 2 (𝜑𝜎)
9 syl233anc.8 . 2 (𝜑𝜌)
10 syl323anc.9 . 2 (((𝜓𝜒𝜃) ∧ (𝜏𝜂) ∧ (𝜁𝜎𝜌)) → 𝜇)
111, 2, 3, 6, 7, 8, 9, 10syl313anc 1421 1 (𝜑𝜇)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wa 401  w3a 1103
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This proof depends on definitions:  df-bi 210  df-an 402  df-3an 1105
This theorem is used by:  4atlem11  40483  dalem52  40598  dath2  40611  dalawlem1  40745  dalaw  40760  cdlemb2  40915  4atexlem7  40949  cdleme7ga  41122  cdleme18a  41165  cdleme18c  41167  cdleme21f  41206  cdleme26f2ALTN  41238  cdleme26f2  41239  cdleme27a  41241  cdlemg17dN  41537  cdlemg18a  41552  cdlemg31d  41574  cdlemg48  41611  cdlemj1  41695  dihord4  42132
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