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Mirrors > Home > ILE Home > Th. List > simp3l | GIF version |
Description: Simplification of triple conjunction. (Contributed by NM, 9-Nov-2011.) |
Ref | Expression |
---|---|
simp3l | ⊢ ((𝜑 ∧ 𝜓 ∧ (𝜒 ∧ 𝜃)) → 𝜒) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl 108 | . 2 ⊢ ((𝜒 ∧ 𝜃) → 𝜒) | |
2 | 1 | 3ad2ant3 1004 | 1 ⊢ ((𝜑 ∧ 𝜓 ∧ (𝜒 ∧ 𝜃)) → 𝜒) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ∧ w3a 962 |
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 964 |
This theorem is referenced by: simpl3l 1036 simpr3l 1042 simp13l 1096 simp23l 1102 simp33l 1108 issod 4241 tfisi 4501 tfrlem5 6211 tfrlemibxssdm 6224 tfr1onlembxssdm 6240 tfrcllembxssdm 6253 ecopovtrn 6526 ecopovtrng 6529 addassnqg 7190 ltsonq 7206 ltanqg 7208 ltmnqg 7209 addassnq0 7270 mulasssrg 7566 distrsrg 7567 lttrsr 7570 ltsosr 7572 ltasrg 7578 mulextsr1lem 7588 mulextsr1 7589 axmulass 7681 axdistr 7682 lemul1 8355 reapmul1lem 8356 reapmul1 8357 mulcanap 8426 mulcanap2 8427 divassap 8450 divdirap 8457 div11ap 8460 muldivdirap 8467 divcanap5 8474 apmul1 8548 apmul2 8549 ltdiv1 8626 ltmuldiv 8632 ledivmul 8635 lemuldiv 8639 ltdiv2 8645 lediv2 8649 ltdiv23 8650 lediv23 8651 xaddass2 9653 xlt2add 9663 modqdi 10165 expaddzap 10337 expmulzap 10339 leisorel 10580 resqrtcl 10801 xrbdtri 11045 dvdscmulr 11522 dvdsmulcr 11523 dvdsadd2b 11540 dvdsgcd 11700 rpexp12i 11833 psmetlecl 12503 xmetlecl 12536 |
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