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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 108 | . 2 ⊢ ((𝜑 ∧ 𝜓) → 𝜑) | |
2 | 1 | 3ad2ant1 1003 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃) → 𝜑) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ∧ w3a 963 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 |
This theorem depends on definitions: df-bi 116 df-3an 965 |
This theorem is referenced by: simpl1l 1033 simpr1l 1039 simp11l 1093 simp21l 1099 simp31l 1105 en2lp 4477 tfisi 4509 funprg 5181 nnsucsssuc 6396 ecopovtrn 6534 ecopovtrng 6537 addassnqg 7214 distrnqg 7219 ltsonq 7230 ltanqg 7232 ltmnqg 7233 distrnq0 7291 addassnq0 7294 mulasssrg 7590 distrsrg 7591 lttrsr 7594 ltsosr 7596 ltasrg 7602 mulextsr1lem 7612 mulextsr1 7613 axmulass 7705 axdistr 7706 dmdcanap 8506 lt2msq1 8667 ltdiv2 8669 lediv2 8673 xaddass 9682 xaddass2 9683 xlt2add 9693 modqdi 10196 expaddzaplem 10367 expaddzap 10368 expmulzap 10370 resqrtcl 10833 bdtrilem 11042 bdtri 11043 xrbdtri 11077 prmexpb 11865 cnptoprest 12447 ssblps 12633 ssbl 12634 rplogbchbase 13075 rplogbreexp 13078 relogbcxpbap 13090 |
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