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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 1133 | . 2 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜑) | |
2 | 1 | ad2antrl 727 | 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: pwfseqlem1 10069 pwfseqlem5 10074 icodiamlt 14787 issubc3 17111 pgpfac1lem5 19194 clsconn 22035 txlly 22241 txnlly 22242 itg2add 24363 ftc1a 24640 f1otrg 26665 ax5seglem6 26728 axcontlem9 26766 axcontlem10 26767 elwspths2spth 27753 wwlksext2clwwlk 27842 locfinref 31194 erdszelem7 32557 cvmlift2lem10 32672 noprefixmo 33315 nosupbnd2 33329 btwnouttr2 33596 btwnconn1lem13 33673 broutsideof2 33696 mpaaeu 40094 dfsalgen2 42981 fundcmpsurinjpreimafv 43925 digexp 45021 line2xlem 45167 |
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