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Mirrors > Home > MPE Home > Th. List > syl231anc | Structured version Visualization version GIF version |
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.) |
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) |
syl231anc.7 | ⊢ (((𝜓 ∧ 𝜒) ∧ (𝜃 ∧ 𝜏 ∧ 𝜂) ∧ 𝜁) → 𝜎) |
Ref | Expression |
---|---|
syl231anc | ⊢ (𝜑 → 𝜎) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl3anc.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
2 | syl3anc.2 | . . 3 ⊢ (𝜑 → 𝜒) | |
3 | 1, 2 | jca 515 | . 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 | syl231anc.7 | . 2 ⊢ (((𝜓 ∧ 𝜒) ∧ (𝜃 ∧ 𝜏 ∧ 𝜂) ∧ 𝜁) → 𝜎) | |
9 | 3, 4, 5, 6, 7, 8 | syl131anc 1385 | 1 ⊢ (𝜑 → 𝜎) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∧ w3a 1089 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 210 df-an 400 df-3an 1091 |
This theorem is referenced by: syl232anc 1399 isosctr 25704 axeuclid 27054 dalawlem3 37624 dalawlem6 37627 cdlemd7 37955 cdleme18c 38044 cdlemi 38571 cdlemk7 38599 cdlemk11 38600 cdlemk7u 38621 cdlemk11u 38622 cdlemk19xlem 38693 cdlemk55u1 38716 cdlemk56 38722 |
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