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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 8344 nosupbnd2lem1 28105 noinfbnd2lem1 28120 brbtwn2 29516 ax5seglem3a 29541 ax5seg 29549 axpasch 29552 axeuclid 29574 br8d 33277 br8 36712 cgrextend 36964 segconeq 36966 trisegint 36984 ifscgr 37000 cgrsub 37001 cgrxfr 37011 lineext 37032 seglecgr12im 37066 segletr 37070 lineunray 37103 lineelsb2 37104 cvrcmp 40543 cvlatexch3 40598 cvlsupr2 40603 atexchcvrN 40700 3dim1 40727 3dim2 40728 ps-1 40737 ps-2 40738 3atlem3 40745 3atlem5 40747 lplnnle2at 40801 lplnllnneN 40816 2llnjaN 40826 4atlem3 40856 4atlem10b 40865 4atlem12 40872 2llnma3r 41048 paddasslem4 41083 paddasslem7 41086 paddasslem8 41087 paddasslem12 41091 paddasslem13 41092 pmodlem1 41106 pmodlem2 41107 llnexchb2lem 41128 4atex2 41337 ltrnatlw 41443 trlval4 41448 arglem1N 41450 cdlemd4 41461 cdlemd5 41462 cdleme0moN 41485 cdleme16 41545 cdleme20 41584 cdleme21j 41596 cdleme21k 41598 cdleme27N 41629 cdleme28c 41632 cdleme43fsv1snlem 41680 cdleme38n 41724 cdleme40n 41728 cdleme41snaw 41736 cdlemg6c 41880 cdlemg8c 41889 cdlemg8 41891 cdlemg12e 41907 cdlemg16 41917 cdlemg16ALTN 41918 cdlemg16z 41919 cdlemg16zz 41920 cdlemg18a 41938 cdlemg20 41945 cdlemg22 41947 cdlemg37 41949 cdlemg27b 41956 cdlemg31d 41960 cdlemg33 41971 cdlemg38 41975 cdlemg44b 41992 cdlemk38 42175 cdlemk35s-id 42198 cdlemk39s-id 42200 cdlemk55 42221 cdlemk35u 42224 cdlemk55u 42226 cdleml3N 42238 cdlemn11pre 42470 |
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