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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 40343 cdlema1N 40606 trlval3 41002 cdleme12 41086 cdlemednpq 41114 cdleme19d 41121 cdleme19e 41122 cdleme20f 41129 cdleme20h 41131 cdleme20l2 41136 cdleme20l 41137 cdleme20m 41138 cdleme21j 41151 cdleme22a 41155 cdleme22cN 41157 cdleme22f2 41162 cdleme32b 41257 cdlemg12f 41463 cdlemg12g 41464 cdlemg12 41465 cdlemg28a 41508 cdlemg31b0N 41509 cdlemg29 41520 cdlemg33a 41521 cdlemg36 41529 cdlemg42 41544 cdlemk16a 41671 cdlemk21-2N 41706 cdlemk32 41712 cdlemkid2 41739 cdlemk54 41773 cdlemk55a 41774 dihord10 42038 |
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