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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 8301 mulgdirlem 19202 nosupbnd2lem1 27916 noinfbnd2lem1 27931 brbtwn2 29292 ax5seglem3a 29317 ax5seg 29325 axpasch 29328 axeuclid 29350 br8d 32990 br8 36269 cgrextend 36521 segconeq 36523 segconeu 36524 trisegint 36541 ifscgr 36557 cgrsub 36558 cgrxfr 36568 lineext 36589 seglecgr12im 36623 segletr 36627 lineunray 36660 lineelsb2 36661 cvrcmp 40098 cvlsupr2 40158 atcvrj2b 40247 atexchcvrN 40255 3atlem3 40300 3atlem5 40302 lplnnle2at 40356 lplnllnneN 40371 4atlem3 40411 4atlem10b 40420 4atlem12 40427 2llnma3r 40603 paddasslem4 40638 paddasslem7 40641 paddasslem8 40642 paddasslem12 40646 paddasslem13 40647 paddasslem15 40649 pmodlem1 40661 pmodlem2 40662 atmod1i1m 40673 llnexchb2lem 40683 4atex2 40892 ltrnatlw 40998 arglem1N 41005 cdlemd4 41016 cdlemd5 41017 cdleme16 41100 cdleme20 41139 cdleme21k 41153 cdleme27N 41184 cdleme28c 41187 cdleme43fsv1snlem 41235 cdleme38n 41279 cdleme40n 41283 cdleme41snaw 41291 cdlemg6c 41435 cdlemg8c 41444 cdlemg8 41446 cdlemg12e 41462 cdlemg16ALTN 41473 cdlemg16zz 41475 cdlemg18a 41493 cdlemg20 41500 cdlemg22 41502 cdlemg37 41504 cdlemg31d 41515 cdlemg33 41526 cdlemg38 41530 cdlemg44b 41547 cdlemk33N 41724 cdlemk34 41725 cdlemk38 41730 cdlemk35s-id 41753 cdlemk39s-id 41755 cdlemk53b 41771 cdlemk53 41772 cdlemk55 41776 cdlemk35u 41779 cdlemk55u 41781 cdleml3N 41793 cdlemn11pre 42025 aks6d1c1 42924 |
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