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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 4681 tfisi 4714 funprg 5411 nnsucsssuc 6738 ecopovtrn 6879 ecopovtrng 6882 addassnqg 7713 distrnqg 7718 ltsonq 7729 ltanqg 7731 ltmnqg 7732 distrnq0 7790 addassnq0 7793 mulasssrg 8089 distrsrg 8090 lttrsr 8093 ltsosr 8095 ltasrg 8101 mulextsr1lem 8111 mulextsr1 8112 axmulass 8204 axdistr 8205 dmdcanap 9013 lt2msq1 9176 ltdiv2 9178 lediv2 9182 xaddass 10221 xaddass2 10222 xlt2add 10232 modqdi 10778 expaddzaplem 10968 expaddzap 10969 expmulzap 10971 swrdspsleq 11384 pfxeq 11413 ccatopth2 11434 pfxccat3 11451 resqrtcl 11739 bdtrilem 11949 bdtri 11950 xrbdtri 11986 bitsfzo 12666 prmexpb 12873 4sqlem18 13131 subgabl 14133 opprringbg 14308 cnptoprest 15216 ssblps 15402 ssbl 15403 plyadd 15728 plymul 15729 rplogbchbase 15927 rplogbreexp 15930 relogbcxpbap 15942 lgssq 16025 uhgr2edg 16313 clwwlkccat 16508 |
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