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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 1045 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃) → 𝜑) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1005 |
| 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 1007 |
| This theorem is referenced by: simpl1l 1075 simpr1l 1081 simp11l 1135 simp21l 1141 simp31l 1147 en2lp 4675 tfisi 4708 funprg 5405 nnsucsssuc 6724 ecopovtrn 6865 ecopovtrng 6868 addassnqg 7696 distrnqg 7701 ltsonq 7712 ltanqg 7714 ltmnqg 7715 distrnq0 7773 addassnq0 7776 mulasssrg 8072 distrsrg 8073 lttrsr 8076 ltsosr 8078 ltasrg 8084 mulextsr1lem 8094 mulextsr1 8095 axmulass 8187 axdistr 8188 dmdcanap 8995 lt2msq1 9158 ltdiv2 9160 lediv2 9164 xaddass 10201 xaddass2 10202 xlt2add 10212 modqdi 10753 expaddzaplem 10943 expaddzap 10944 expmulzap 10946 swrdspsleq 11355 pfxeq 11384 ccatopth2 11405 pfxccat3 11422 resqrtcl 11710 bdtrilem 11920 bdtri 11921 xrbdtri 11957 bitsfzo 12637 prmexpb 12844 4sqlem18 13102 subgabl 14041 opprringbg 14216 cnptoprest 15096 ssblps 15282 ssbl 15283 plyadd 15608 plymul 15609 rplogbchbase 15807 rplogbreexp 15810 relogbcxpbap 15822 lgssq 15905 uhgr2edg 16193 clwwlkccat 16388 |
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