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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 1049 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃) → 𝜑) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1009 |
| 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 1011 |
| This theorem is referenced by: simpl1l 1079 simpr1l 1085 simp11l 1139 simp21l 1145 simp31l 1151 en2lp 4699 tfisi 4732 funprg 5429 nnsucsssuc 6759 ecopovtrn 6900 ecopovtrng 6903 addassnqg 7743 distrnqg 7748 ltsonq 7759 ltanqg 7761 ltmnqg 7762 distrnq0 7820 addassnq0 7823 mulasssrg 8119 distrsrg 8120 lttrsr 8123 ltsosr 8125 ltasrg 8131 mulextsr1lem 8141 mulextsr1 8142 axmulass 8234 axdistr 8235 dmdcanap 9046 lt2msq1 9209 ltdiv2 9211 lediv2 9215 xaddass 10254 xaddass2 10255 xlt2add 10265 modqdi 10812 expaddzaplem 11002 expaddzap 11003 expmulzap 11005 swrdspsleq 11422 pfxeq 11451 ccatopth2 11472 pfxccat3 11489 resqrtcl 11778 bdtrilem 11988 bdtri 11989 xrbdtri 12025 bitsfzo 12705 prmexpb 12912 4sqlem18 13170 subgabl 14119 rng1zrlem 14241 opprringbg 14368 cnptoprest 15323 ssblps 15509 ssbl 15510 plyadd 15835 plymul 15836 rplogbchbase 16035 rplogbreexp 16038 relogbcxpbap 16050 lgssq 16142 uhgr2edg 16430 clwwlkccat 16625 |
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