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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 40409 cdlema1N 40672 trlval3 41068 cdleme12 41152 cdlemednpq 41180 cdleme19d 41187 cdleme19e 41188 cdleme20f 41195 cdleme20h 41197 cdleme20l2 41202 cdleme20l 41203 cdleme20m 41204 cdleme21j 41217 cdleme22a 41221 cdleme22cN 41223 cdleme22f2 41228 cdleme32b 41323 cdlemg12f 41529 cdlemg12g 41530 cdlemg12 41531 cdlemg28a 41574 cdlemg31b0N 41575 cdlemg29 41586 cdlemg33a 41587 cdlemg36 41595 cdlemg42 41610 cdlemk16a 41737 cdlemk21-2N 41772 cdlemk32 41778 cdlemkid2 41805 cdlemk54 41839 cdlemk55a 41840 dihord10 42104 |
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