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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 1042 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃) → 𝜑) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1002 |
| 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 1004 |
| This theorem is referenced by: simpl1l 1072 simpr1l 1078 simp11l 1132 simp21l 1138 simp31l 1144 en2lp 4646 tfisi 4679 funprg 5371 nnsucsssuc 6638 ecopovtrn 6779 ecopovtrng 6782 addassnqg 7569 distrnqg 7574 ltsonq 7585 ltanqg 7587 ltmnqg 7588 distrnq0 7646 addassnq0 7649 mulasssrg 7945 distrsrg 7946 lttrsr 7949 ltsosr 7951 ltasrg 7957 mulextsr1lem 7967 mulextsr1 7968 axmulass 8060 axdistr 8061 dmdcanap 8869 lt2msq1 9032 ltdiv2 9034 lediv2 9038 xaddass 10065 xaddass2 10066 xlt2add 10076 modqdi 10614 expaddzaplem 10804 expaddzap 10805 expmulzap 10807 swrdspsleq 11199 pfxeq 11228 ccatopth2 11249 pfxccat3 11266 resqrtcl 11540 bdtrilem 11750 bdtri 11751 xrbdtri 11787 bitsfzo 12466 prmexpb 12673 4sqlem18 12931 subgabl 13869 opprringbg 14043 cnptoprest 14913 ssblps 15099 ssbl 15100 plyadd 15425 plymul 15426 rplogbchbase 15624 rplogbreexp 15627 relogbcxpbap 15639 lgssq 15719 uhgr2edg 16004 |
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