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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 4236 tfisi 4496 tfrlem5 6204 tfrlemibxssdm 6217 tfr1onlembxssdm 6233 tfrcllembxssdm 6246 ecopovtrn 6519 ecopovtrng 6522 addassnqg 7183 ltsonq 7199 ltanqg 7201 ltmnqg 7202 addassnq0 7263 mulasssrg 7559 distrsrg 7560 lttrsr 7563 ltsosr 7565 ltasrg 7571 mulextsr1lem 7581 mulextsr1 7582 axmulass 7674 axdistr 7675 lemul1 8348 reapmul1lem 8349 reapmul1 8350 mulcanap 8419 mulcanap2 8420 divassap 8443 divdirap 8450 div11ap 8453 muldivdirap 8460 divcanap5 8467 apmul1 8541 apmul2 8542 ltdiv1 8619 ltmuldiv 8625 ledivmul 8628 lemuldiv 8632 ltdiv2 8638 lediv2 8642 ltdiv23 8643 lediv23 8644 xaddass2 9646 xlt2add 9656 modqdi 10158 expaddzap 10330 expmulzap 10332 leisorel 10573 resqrtcl 10794 xrbdtri 11038 dvdscmulr 11511 dvdsmulcr 11512 dvdsadd2b 11529 dvdsgcd 11689 rpexp12i 11822 psmetlecl 12492 xmetlecl 12525 |
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