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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 4650 tfisi 4683 funprg 5377 nnsucsssuc 6655 ecopovtrn 6796 ecopovtrng 6799 addassnqg 7595 distrnqg 7600 ltsonq 7611 ltanqg 7613 ltmnqg 7614 distrnq0 7672 addassnq0 7675 mulasssrg 7971 distrsrg 7972 lttrsr 7975 ltsosr 7977 ltasrg 7983 mulextsr1lem 7993 mulextsr1 7994 axmulass 8086 axdistr 8087 dmdcanap 8895 lt2msq1 9058 ltdiv2 9060 lediv2 9064 xaddass 10097 xaddass2 10098 xlt2add 10108 modqdi 10647 expaddzaplem 10837 expaddzap 10838 expmulzap 10840 swrdspsleq 11241 pfxeq 11270 ccatopth2 11291 pfxccat3 11308 resqrtcl 11583 bdtrilem 11793 bdtri 11794 xrbdtri 11830 bitsfzo 12509 prmexpb 12716 4sqlem18 12974 subgabl 13912 opprringbg 14086 cnptoprest 14956 ssblps 15142 ssbl 15143 plyadd 15468 plymul 15469 rplogbchbase 15667 rplogbreexp 15670 relogbcxpbap 15682 lgssq 15762 uhgr2edg 16050 clwwlkccat 16210 |
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