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Mirrors > Home > MPE Home > Th. List > simpr1l | 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 |
---|---|
simpr1l | ⊢ ((𝜏 ∧ ((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃)) → 𝜑) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simprl 770 | . 2 ⊢ ((𝜏 ∧ (𝜑 ∧ 𝜓)) → 𝜑) | |
2 | 1 | 3ad2antr1 1185 | 1 ⊢ ((𝜏 ∧ ((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃)) → 𝜑) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∧ w3a 1084 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 210 df-an 400 df-3an 1086 |
This theorem is referenced by: oppccatid 16981 subccatid 17108 setccatid 17336 catccatid 17354 estrccatid 17374 xpccatid 17430 gsmsymgreqlem1 18550 dmdprdsplit 19162 neiptopnei 21737 neitr 21785 neitx 22212 tx1stc 22255 utop3cls 22857 metustsym 23162 ax5seg 26732 clwwlkccat 27775 3pthdlem1 27949 esumpcvgval 31447 esum2d 31462 ifscgr 33618 brofs2 33651 brifs2 33652 btwnconn1lem8 33668 btwnconn1lem12 33672 seglecgr12im 33684 unbdqndv2 33963 lhp2lt 37297 cdlemd1 37494 cdleme3b 37525 cdleme3c 37526 cdleme3e 37528 cdlemf2 37858 cdlemg4c 37908 cdlemn11pre 38506 dihmeetlem12N 38614 stoweidlem60 42702 |
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