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Mirrors > Home > MPE Home > Th. List > simprl1 | Structured version Visualization version GIF version |
Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.) (Proof shortened by Wolf Lammen, 23-Jun-2022.) |
Ref | Expression |
---|---|
simprl1 | ⊢ ((𝜏 ∧ ((𝜑 ∧ 𝜓 ∧ 𝜒) ∧ 𝜃)) → 𝜑) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp1 1132 | . 2 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜑) | |
2 | 1 | ad2antrl 726 | 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: pwfseqlem1 10079 pwfseqlem5 10084 icodiamlt 14794 issubc3 17118 pgpfac1lem5 19200 clsconn 22037 txlly 22243 txnlly 22244 itg2add 24359 ftc1a 24633 f1otrg 26656 ax5seglem6 26719 axcontlem9 26757 axcontlem10 26758 elwspths2spth 27745 wwlksext2clwwlk 27835 locfinref 31105 erdszelem7 32444 cvmlift2lem10 32559 noprefixmo 33202 nosupbnd2 33216 btwnouttr2 33483 btwnconn1lem13 33560 broutsideof2 33583 mpaaeu 39748 dfsalgen2 42623 fundcmpsurinjpreimafv 43567 digexp 44666 line2xlem 44739 |
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