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| Mirrors > Home > MPE Home > Th. List > simpl21 | 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 |
|---|---|
| simpl21 | ⊢ (((𝜃 ∧ (𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜏) ∧ 𝜂) → 𝜑) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl1 1210 | . 2 ⊢ (((𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜂) → 𝜑) | |
| 2 | 1 | 3ad2antl2 1205 | 1 ⊢ (((𝜃 ∧ (𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜏) ∧ 𝜂) → 𝜑) |
| 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 8298 nosupbnd2lem1 27959 noinfbnd2lem1 27974 brbtwn2 29370 ax5seglem3a 29395 ax5seg 29403 axpasch 29406 axeuclid 29428 br8d 33089 br8 36343 cgrextend 36596 segconeq 36598 trisegint 36616 ifscgr 36632 cgrsub 36633 cgrxfr 36643 lineext 36664 seglecgr12im 36698 segletr 36702 lineunray 36735 lineelsb2 36736 cvrcmp 40164 cvlatexch3 40219 cvlsupr2 40224 atexchcvrN 40321 3dim1 40348 3dim2 40349 ps-1 40358 ps-2 40359 3atlem3 40366 3atlem5 40368 lplnnle2at 40422 lplnllnneN 40437 2llnjaN 40447 4atlem3 40477 4atlem10b 40486 4atlem12 40493 2llnma3r 40669 paddasslem4 40704 paddasslem7 40707 paddasslem8 40708 paddasslem12 40712 paddasslem13 40713 pmodlem1 40727 pmodlem2 40728 llnexchb2lem 40749 4atex2 40958 ltrnatlw 41064 trlval4 41069 arglem1N 41071 cdlemd4 41082 cdlemd5 41083 cdleme0moN 41106 cdleme16 41166 cdleme20 41205 cdleme21j 41217 cdleme21k 41219 cdleme27N 41250 cdleme28c 41253 cdleme43fsv1snlem 41301 cdleme38n 41345 cdleme40n 41349 cdleme41snaw 41357 cdlemg6c 41501 cdlemg8c 41510 cdlemg8 41512 cdlemg12e 41528 cdlemg16 41538 cdlemg16ALTN 41539 cdlemg16z 41540 cdlemg16zz 41541 cdlemg18a 41559 cdlemg20 41566 cdlemg22 41568 cdlemg37 41570 cdlemg27b 41577 cdlemg31d 41581 cdlemg33 41592 cdlemg38 41596 cdlemg44b 41613 cdlemk38 41796 cdlemk35s-id 41819 cdlemk39s-id 41821 cdlemk55 41842 cdlemk35u 41845 cdlemk55u 41847 cdleml3N 41859 cdlemn11pre 42091 |
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