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| Mirrors > Home > MPE Home > Th. List > simpl23 | Structured version Visualization version GIF version | ||
| Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.) (Proof shortened by Wolf Lammen, 24-Jun-2022.) |
| Ref | Expression |
|---|---|
| simpl23 | ⊢ (((𝜃 ∧ (𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜏) ∧ 𝜂) → 𝜒) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl3 1212 | . 2 ⊢ (((𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜂) → 𝜒) | |
| 2 | 1 | 3ad2antl2 1205 | 1 ⊢ (((𝜃 ∧ (𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜏) ∧ 𝜂) → 𝜒) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This proof depends on definitions: df-bi 210 df-an 402 df-3an 1105 |
| This theorem is used by: frrlem10 8297 mulgdirlem 19295 nosupbnd2lem1 28054 noinfbnd2lem1 28069 brbtwn2 29465 ax5seglem3a 29490 ax5seg 29498 axpasch 29501 axeuclid 29523 br8d 33184 br8 36490 cgrextend 36743 segconeq 36745 segconeu 36746 trisegint 36763 ifscgr 36779 cgrsub 36780 cgrxfr 36790 lineext 36811 seglecgr12im 36845 segletr 36849 lineunray 36882 lineelsb2 36883 cvrcmp 40308 cvlsupr2 40368 atcvrj2b 40457 atexchcvrN 40465 3atlem3 40510 3atlem5 40512 lplnnle2at 40566 lplnllnneN 40581 4atlem3 40621 4atlem10b 40630 4atlem12 40637 2llnma3r 40813 paddasslem4 40848 paddasslem7 40851 paddasslem8 40852 paddasslem12 40856 paddasslem13 40857 paddasslem15 40859 pmodlem1 40871 pmodlem2 40872 atmod1i1m 40883 llnexchb2lem 40893 4atex2 41102 ltrnatlw 41208 arglem1N 41215 cdlemd4 41226 cdlemd5 41227 cdleme16 41310 cdleme20 41349 cdleme21k 41363 cdleme27N 41394 cdleme28c 41397 cdleme43fsv1snlem 41445 cdleme38n 41489 cdleme40n 41493 cdleme41snaw 41501 cdlemg6c 41645 cdlemg8c 41654 cdlemg8 41656 cdlemg12e 41672 cdlemg16ALTN 41683 cdlemg16zz 41685 cdlemg18a 41703 cdlemg20 41710 cdlemg22 41712 cdlemg37 41714 cdlemg31d 41725 cdlemg33 41736 cdlemg38 41740 cdlemg44b 41757 cdlemk33N 41934 cdlemk34 41935 cdlemk38 41940 cdlemk35s-id 41963 cdlemk39s-id 41965 cdlemk53b 41981 cdlemk53 41982 cdlemk55 41986 cdlemk35u 41989 cdlemk55u 41991 cdleml3N 42003 cdlemn11pre 42235 aks6d1c1 43134 |
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