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Mirrors > Home > ILE Home > Th. List > syl33anc | GIF version |
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.) |
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) |
syl33anc.7 | ⊢ (((𝜓 ∧ 𝜒 ∧ 𝜃) ∧ (𝜏 ∧ 𝜂 ∧ 𝜁)) → 𝜎) |
Ref | Expression |
---|---|
syl33anc | ⊢ (𝜑 → 𝜎) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sylXanc.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
2 | sylXanc.2 | . . 3 ⊢ (𝜑 → 𝜒) | |
3 | sylXanc.3 | . . 3 ⊢ (𝜑 → 𝜃) | |
4 | 1, 2, 3 | 3jca 1177 | . 2 ⊢ (𝜑 → (𝜓 ∧ 𝜒 ∧ 𝜃)) |
5 | sylXanc.4 | . 2 ⊢ (𝜑 → 𝜏) | |
6 | sylXanc.5 | . 2 ⊢ (𝜑 → 𝜂) | |
7 | sylXanc.6 | . 2 ⊢ (𝜑 → 𝜁) | |
8 | syl33anc.7 | . 2 ⊢ (((𝜓 ∧ 𝜒 ∧ 𝜃) ∧ (𝜏 ∧ 𝜂 ∧ 𝜁)) → 𝜎) | |
9 | 4, 5, 6, 7, 8 | syl13anc 1240 | 1 ⊢ (𝜑 → 𝜎) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 978 |
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 980 |
This theorem is referenced by: strleund 12565 strext 12567 iscnp4 13879 cnpnei 13880 cnptopco 13883 cncnp 13891 cnptopresti 13899 lmtopcnp 13911 txcnp 13932 xmetrtri 14037 bl2in 14064 blhalf 14069 blssps 14088 blss 14089 |
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