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Theorem syl323anc 1308
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.)
Hypotheses
Ref Expression
sylXanc.1 (𝜑 → 𝜓)
sylXanc.2 (𝜑 → 𝜒)
sylXanc.3 (𝜑 → 𝜃)
sylXanc.4 (𝜑 → 𝜏)
sylXanc.5 (𝜑 → 𝜂)
sylXanc.6 (𝜑 → 𝜁)
sylXanc.7 (𝜑 → 𝜎)
sylXanc.8 (𝜑 → 𝜌)
syl323anc.9 (((𝜓 ∧ 𝜒 ∧ 𝜃) ∧ (𝜏 ∧ 𝜂) ∧ (𝜁 ∧ 𝜎 ∧ 𝜌)) → 𝜇)
Assertion
Ref Expression
syl323anc (𝜑 → 𝜇)

Proof of Theorem syl323anc
StepHypRef Expression
1 sylXanc.1 . 2 (𝜑 → 𝜓)
2 sylXanc.2 . 2 (𝜑 → 𝜒)
3 sylXanc.3 . 2 (𝜑 → 𝜃)
4 sylXanc.4 . . 3 (𝜑 → 𝜏)
5 sylXanc.5 . . 3 (𝜑 → 𝜂)
64, 5jca 306 . 2 (𝜑 → (𝜏 ∧ 𝜂))
7 sylXanc.6 . 2 (𝜑 → 𝜁)
8 sylXanc.7 . 2 (𝜑 → 𝜎)
9 sylXanc.8 . 2 (𝜑 → 𝜌)
10 syl323anc.9 . 2 (((𝜓 ∧ 𝜒 ∧ 𝜃) ∧ (𝜏 ∧ 𝜂) ∧ (𝜁 ∧ 𝜎 ∧ 𝜌)) → 𝜇)
111, 2, 3, 6, 7, 8, 9, 10syl313anc 1302 1 (𝜑 → 𝜇)
Colors of variables:    wff set class
This proof depends on syntax axioms:   → wi 4   ∧ wa 104   ∧ w3a 1009
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This proof depends on definitions:  df-bi 117  df-3an 1011
This theorem is used by: (None)
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