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Mirrors > Home > ILE Home > Th. List > simp2l | GIF version |
Description: Simplification of triple conjunction. (Contributed by NM, 9-Nov-2011.) |
Ref | Expression |
---|---|
simp2l | ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒) ∧ 𝜃) → 𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl 108 | . 2 ⊢ ((𝜓 ∧ 𝜒) → 𝜓) | |
2 | 1 | 3ad2ant2 1003 | 1 ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒) ∧ 𝜃) → 𝜓) |
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: simpl2l 1034 simpr2l 1040 simp12l 1094 simp22l 1100 simp32l 1106 issod 4236 funprg 5168 fsnunf 5613 f1oiso2 5721 ecopovtrn 6519 ecopovtrng 6522 addassnqg 7183 ltsonq 7199 ltanqg 7201 ltmnqg 7202 addassnq0 7263 recexprlem1ssu 7435 mulasssrg 7559 distrsrg 7560 lttrsr 7563 ltsosr 7565 ltasrg 7571 mulextsr1lem 7581 mulextsr1 7582 axmulass 7674 axdistr 7675 dmdcanap 8475 ltdiv2 8638 lediv2 8642 ltdiv23 8643 lediv23 8644 xaddass 9645 xaddass2 9646 xlt2add 9656 expaddzaplem 10329 expaddzap 10330 expmulzap 10332 expdivap 10337 leisorel 10573 bdtrilem 11003 bdtri 11004 xrbdtri 11038 fsumsplitsnun 11181 prmexpb 11818 cnptoprest 12397 ssblps 12583 ssbl 12584 tgqioo 12705 |
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