Theorem syl233anc 1425

Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.)

Hypotheses

Ref	Expression
syl3anc.1	⊢ (𝜑 → 𝜓)
syl3anc.2	⊢ (𝜑 → 𝜒)
syl3anc.3	⊢ (𝜑 → 𝜃)
syl3Xanc.4	⊢ (𝜑 → 𝜏)
syl23anc.5	⊢ (𝜑 → 𝜂)
syl33anc.6	⊢ (𝜑 → 𝜁)
syl133anc.7	⊢ (𝜑 → 𝜎)
syl233anc.8	⊢ (𝜑 → 𝜌)
syl233anc.9	⊢ (((𝜓 ∧ 𝜒) ∧ (𝜃 ∧ 𝜏 ∧ 𝜂) ∧ (𝜁 ∧ 𝜎 ∧ 𝜌)) → 𝜇)

Assertion

Ref	Expression
syl233anc	⊢ (𝜑 → 𝜇)

Proof of Theorem syl233anc

Step	Hyp	Ref	Expression
1		syl3anc.1	. . 3 ⊢ (𝜑 → 𝜓)
2		syl3anc.2	. . 3 ⊢ (𝜑 → 𝜒)
3	1, 2	jca 520	. 2 ⊢ (𝜑 → (𝜓 ∧ 𝜒))
4		syl3anc.3	. 2 ⊢ (𝜑 → 𝜃)
5		syl3Xanc.4	. 2 ⊢ (𝜑 → 𝜏)
6		syl23anc.5	. 2 ⊢ (𝜑 → 𝜂)
7		syl33anc.6	. 2 ⊢ (𝜑 → 𝜁)
8		syl133anc.7	. 2 ⊢ (𝜑 → 𝜎)
9		syl233anc.8	. 2 ⊢ (𝜑 → 𝜌)
10		syl233anc.9	. 2 ⊢ (((𝜓 ∧ 𝜒) ∧ (𝜃 ∧ 𝜏 ∧ 𝜂) ∧ (𝜁 ∧ 𝜎 ∧ 𝜌)) → 𝜇)
11	3, 4, 5, 6, 7, 8, 9, 10	syl133anc 1419	1 ⊢ (𝜑 → 𝜇)

This proof depends on syntax axioms:   → wi 4   ∧ wa 400   ∧ w3a 1102

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 401  df-3an 1104

This theorem is used by:  br8d  32964  2llnjN  40369  cdleme16b  41081  cdleme18d  41097  cdleme19d  41108  cdleme20bN  41112  cdleme20l1  41122  cdleme22cN  41144  cdleme22eALTN  41147  cdleme22f  41148  cdlemg33c0  41504  cdlemk5  41638  cdlemk5u  41663  cdlemky  41728  cdlemkyyN  41764