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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 769 | . 2 ⊢ ((𝜏 ∧ (𝜑 ∧ 𝜓)) → 𝜑) | |
2 | 1 | 3ad2antr1 1184 | 1 ⊢ ((𝜏 ∧ ((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃)) → 𝜑) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∧ w3a 1083 |
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 209 df-an 399 df-3an 1085 |
This theorem is referenced by: oppccatid 16991 subccatid 17118 setccatid 17346 catccatid 17364 estrccatid 17384 xpccatid 17440 gsmsymgreqlem1 18560 dmdprdsplit 19171 neiptopnei 21742 neitr 21790 neitx 22217 tx1stc 22260 utop3cls 22862 metustsym 23167 ax5seg 26726 clwwlkccat 27770 3pthdlem1 27945 esumpcvgval 31339 esum2d 31354 ifscgr 33507 brofs2 33540 brifs2 33541 btwnconn1lem8 33557 btwnconn1lem12 33561 seglecgr12im 33573 unbdqndv2 33852 lhp2lt 37139 cdlemd1 37336 cdleme3b 37367 cdleme3c 37368 cdleme3e 37370 cdlemf2 37700 cdlemg4c 37750 cdlemn11pre 38348 dihmeetlem12N 38456 stoweidlem60 42352 |
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