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Mirrors > Home > MPE Home > Th. List > syl312anc | Structured version Visualization version GIF version |
Description: Syllogism combined with contraction. (Contributed by NM, 11-Jul-2012.) |
Ref | Expression |
---|---|
syl12anc.1 | ⊢ (𝜑 → 𝜓) |
syl12anc.2 | ⊢ (𝜑 → 𝜒) |
syl12anc.3 | ⊢ (𝜑 → 𝜃) |
syl22anc.4 | ⊢ (𝜑 → 𝜏) |
syl23anc.5 | ⊢ (𝜑 → 𝜂) |
syl33anc.6 | ⊢ (𝜑 → 𝜁) |
syl312anc.7 | ⊢ (((𝜓 ∧ 𝜒 ∧ 𝜃) ∧ 𝜏 ∧ (𝜂 ∧ 𝜁)) → 𝜎) |
Ref | Expression |
---|---|
syl312anc | ⊢ (𝜑 → 𝜎) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl12anc.1 | . 2 ⊢ (𝜑 → 𝜓) | |
2 | syl12anc.2 | . 2 ⊢ (𝜑 → 𝜒) | |
3 | syl12anc.3 | . 2 ⊢ (𝜑 → 𝜃) | |
4 | syl22anc.4 | . 2 ⊢ (𝜑 → 𝜏) | |
5 | syl23anc.5 | . . 3 ⊢ (𝜑 → 𝜂) | |
6 | syl33anc.6 | . . 3 ⊢ (𝜑 → 𝜁) | |
7 | 5, 6 | jca 495 | . 2 ⊢ (𝜑 → (𝜂 ∧ 𝜁)) |
8 | syl312anc.7 | . 2 ⊢ (((𝜓 ∧ 𝜒 ∧ 𝜃) ∧ 𝜏 ∧ (𝜂 ∧ 𝜁)) → 𝜎) | |
9 | 1, 2, 3, 4, 7, 8 | syl311anc 1489 | 1 ⊢ (𝜑 → 𝜎) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 382 ∧ w3a 1070 |
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 197 df-an 383 df-3an 1072 |
This theorem is referenced by: pythagtriplem19 15744 cdleme27cl 36168 cdlemefs27cl 36215 cdleme32fvcl 36242 cdlemg16ALTN 36460 cdlemg27a 36494 cdlemg31c 36501 cdlemg39 36518 cdlemk11ta 36731 cdlemk19ylem 36732 cdlemk11tc 36747 cdlemk45 36749 dihmeetlem12N 37121 dihjatc 37220 |
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