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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 1044 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃) → 𝜑) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1004 |
| 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 1006 |
| This theorem is referenced by: simpl1l 1074 simpr1l 1080 simp11l 1134 simp21l 1140 simp31l 1146 en2lp 4652 tfisi 4685 funprg 5380 nnsucsssuc 6660 ecopovtrn 6801 ecopovtrng 6804 addassnqg 7602 distrnqg 7607 ltsonq 7618 ltanqg 7620 ltmnqg 7621 distrnq0 7679 addassnq0 7682 mulasssrg 7978 distrsrg 7979 lttrsr 7982 ltsosr 7984 ltasrg 7990 mulextsr1lem 8000 mulextsr1 8001 axmulass 8093 axdistr 8094 dmdcanap 8902 lt2msq1 9065 ltdiv2 9067 lediv2 9071 xaddass 10104 xaddass2 10105 xlt2add 10115 modqdi 10655 expaddzaplem 10845 expaddzap 10846 expmulzap 10848 swrdspsleq 11252 pfxeq 11281 ccatopth2 11302 pfxccat3 11319 resqrtcl 11594 bdtrilem 11804 bdtri 11805 xrbdtri 11841 bitsfzo 12521 prmexpb 12728 4sqlem18 12986 subgabl 13924 opprringbg 14099 cnptoprest 14969 ssblps 15155 ssbl 15156 plyadd 15481 plymul 15482 rplogbchbase 15680 rplogbreexp 15683 relogbcxpbap 15695 lgssq 15775 uhgr2edg 16063 clwwlkccat 16258 |
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