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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 9016 lt2msq1 9179 ltdiv2 9181 lediv2 9185 xaddass 10224 xaddass2 10225 xlt2add 10235 modqdi 10781 expaddzaplem 10971 expaddzap 10972 expmulzap 10974 swrdspsleq 11387 pfxeq 11416 ccatopth2 11437 pfxccat3 11454 resqrtcl 11743 bdtrilem 11953 bdtri 11954 xrbdtri 11990 bitsfzo 12670 prmexpb 12877 4sqlem18 13135 subgabl 14089 rng1zrlem 14202 opprringbg 14327 cnptoprest 15234 ssblps 15420 ssbl 15421 plyadd 15746 plymul 15747 rplogbchbase 15945 rplogbreexp 15948 relogbcxpbap 15960 lgssq 16043 uhgr2edg 16331 clwwlkccat 16526 |
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