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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 109 | . 2 ⊢ ((𝜓 ∧ 𝜒) → 𝜓) | |
| 2 | 1 | 3ad2ant2 1046 | 1 ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒) ∧ 𝜃) → 𝜓) |
| 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: simpl2l 1077 simpr2l 1083 simp12l 1137 simp22l 1143 simp32l 1149 issod 4439 funprg 5405 fsnunf 5883 f1oiso2 5999 ecopovtrn 6865 ecopovtrng 6868 dftap2 7561 addassnqg 7693 ltsonq 7709 ltanqg 7711 ltmnqg 7712 addassnq0 7773 recexprlem1ssu 7945 mulasssrg 8069 distrsrg 8070 lttrsr 8073 ltsosr 8075 ltasrg 8081 mulextsr1lem 8091 mulextsr1 8092 axmulass 8184 axdistr 8185 dmdcanap 8992 ltdiv2 9157 lediv2 9161 ltdiv23 9162 lediv23 9163 xaddass 10198 xaddass2 10199 xlt2add 10209 expaddzaplem 10940 expaddzap 10941 expmulzap 10943 expdivap 10948 leisorel 11202 swrdspsleq 11352 pfxeq 11381 ccatopth2 11402 bdtrilem 11917 bdtri 11918 xrbdtri 11954 fsumsplitsnun 12098 prmexpb 12841 pcpremul 12984 pcdiv 12993 pcqmul 12994 pcqdiv 12998 4sqlem12 13093 f1ocpbllem 13512 ercpbl 13533 erlecpbl 13534 cmn4 14011 ablsub4 14019 abladdsub4 14020 cnptoprest 15091 ssblps 15277 ssbl 15278 tgqioo 15407 plyadd 15603 plymul 15604 rplogbchbase 15802 |
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