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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 4647 tfisi 4680 funprg 5374 nnsucsssuc 6651 ecopovtrn 6792 ecopovtrng 6795 addassnqg 7585 distrnqg 7590 ltsonq 7601 ltanqg 7603 ltmnqg 7604 distrnq0 7662 addassnq0 7665 mulasssrg 7961 distrsrg 7962 lttrsr 7965 ltsosr 7967 ltasrg 7973 mulextsr1lem 7983 mulextsr1 7984 axmulass 8076 axdistr 8077 dmdcanap 8885 lt2msq1 9048 ltdiv2 9050 lediv2 9054 xaddass 10082 xaddass2 10083 xlt2add 10093 modqdi 10631 expaddzaplem 10821 expaddzap 10822 expmulzap 10824 swrdspsleq 11220 pfxeq 11249 ccatopth2 11270 pfxccat3 11287 resqrtcl 11561 bdtrilem 11771 bdtri 11772 xrbdtri 11808 bitsfzo 12487 prmexpb 12694 4sqlem18 12952 subgabl 13890 opprringbg 14064 cnptoprest 14934 ssblps 15120 ssbl 15121 plyadd 15446 plymul 15447 rplogbchbase 15645 rplogbreexp 15648 relogbcxpbap 15660 lgssq 15740 uhgr2edg 16025 clwwlkccat 16170 |
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