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| Mirrors > Home > ILE Home > Th. List > simp1l | GIF version | ||
| Description: Simplification of triple conjunction. (Contributed by NM, 9-Nov-2011.) |
| Ref | Expression |
|---|---|
| simp1l | ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃) → 𝜑) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl 109 | . 2 ⊢ ((𝜑 ∧ 𝜓) → 𝜑) | |
| 2 | 1 | 3ad2ant1 1045 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃) → 𝜑) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1005 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 |
| This theorem is referenced by: simpl1l 1075 simpr1l 1081 simp11l 1135 simp21l 1141 simp31l 1147 en2lp 4658 tfisi 4691 funprg 5387 nnsucsssuc 6703 ecopovtrn 6844 ecopovtrng 6847 addassnqg 7645 distrnqg 7650 ltsonq 7661 ltanqg 7663 ltmnqg 7664 distrnq0 7722 addassnq0 7725 mulasssrg 8021 distrsrg 8022 lttrsr 8025 ltsosr 8027 ltasrg 8033 mulextsr1lem 8043 mulextsr1 8044 axmulass 8136 axdistr 8137 dmdcanap 8945 lt2msq1 9108 ltdiv2 9110 lediv2 9114 xaddass 10147 xaddass2 10148 xlt2add 10158 modqdi 10698 expaddzaplem 10888 expaddzap 10889 expmulzap 10891 swrdspsleq 11295 pfxeq 11324 ccatopth2 11345 pfxccat3 11362 resqrtcl 11650 bdtrilem 11860 bdtri 11861 xrbdtri 11897 bitsfzo 12577 prmexpb 12784 4sqlem18 13042 subgabl 13980 opprringbg 14155 cnptoprest 15030 ssblps 15216 ssbl 15217 plyadd 15542 plymul 15543 rplogbchbase 15741 rplogbreexp 15744 relogbcxpbap 15756 lgssq 15839 uhgr2edg 16127 clwwlkccat 16322 |
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