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| Mirrors > Home > MPE Home > Th. List > simp31l | Structured version Visualization version GIF version | ||
| Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.) |
| Ref | Expression |
|---|---|
| simp31l | ⊢ ((𝜏 ∧ 𝜂 ∧ ((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃)) → 𝜑) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simp1l 1216 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃) → 𝜑) | |
| 2 | 1 | 3ad2ant3 1153 | 1 ⊢ ((𝜏 ∧ 𝜂 ∧ ((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃)) → 𝜑) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 |
| 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 402 df-3an 1105 |
| This theorem is used by: ps-2c 40553 cdlema1N 40816 trlval3 41212 cdleme12 41296 cdlemednpq 41324 cdleme19d 41331 cdleme19e 41332 cdleme20f 41339 cdleme20h 41341 cdleme20l2 41346 cdleme20l 41347 cdleme20m 41348 cdleme21j 41361 cdleme22a 41365 cdleme22cN 41367 cdleme22f2 41372 cdleme32b 41467 cdlemg12f 41673 cdlemg12g 41674 cdlemg12 41675 cdlemg28a 41718 cdlemg31b0N 41719 cdlemg29 41730 cdlemg33a 41731 cdlemg36 41739 cdlemg42 41754 cdlemk16a 41881 cdlemk21-2N 41916 cdlemk32 41922 cdlemkid2 41949 cdlemk54 41983 cdlemk55a 41984 dihord10 42248 |
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