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| Mirrors > Home > ILE Home > Th. List > simplbi | GIF version | ||
| Description: Deduction eliminating a conjunct. (Contributed by NM, 27-May-1998.) |
| Ref | Expression |
|---|---|
| simplbi.1 | ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) |
| Ref | Expression |
|---|---|
| simplbi | ⊢ (𝜑 → 𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simplbi.1 | . . 3 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) | |
| 2 | 1 | biimpi 120 | . 2 ⊢ (𝜑 → (𝜓 ∧ 𝜒)) |
| 3 | 2 | simpld 112 | 1 ⊢ (𝜑 → 𝜓) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 ↔ wb 105 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 |
| This proof depends on definitions: df-bi 117 |
| This theorem is used by: an3 595 pm5.62dc 958 3simpa 1025 xoror 1428 anxordi 1449 sbidm 1904 reurex 2771 eqimss 3302 eldifi 3351 elinel1 3415 inss1 3451 sopo 4458 wefr 4503 ordtr 4523 opelxp1 4808 relop 4930 ssrelrn 4972 funmo 5392 funrel 5394 funinsn 5430 fnfun 5478 ffn 5533 f1f 5598 f1of1 5638 f1ofo 5646 isof1o 6013 eqopi 6406 1st2nd2 6409 reldmtpos 6524 swoer 6835 ecopover 6907 ecopoverg 6910 fnfi 7250 casef 7428 nninff 7462 lpowlpo 7508 papirr 7611 tapap 7616 dfplpq2 7721 enq0ref 7800 cauappcvgprlemopl 8013 cauappcvgprlemdisj 8018 caucvgprlemopl 8036 caucvgprlemdisj 8041 caucvgprprlemopl 8064 caucvgprprlemopu 8066 caucvgprprlemdisj 8069 peano1nnnn 8219 axrnegex 8246 ltxrlt 8391 1nn 9316 zre 9650 nnssz 9663 ixxss1 10308 ixxss2 10309 ixxss12 10310 iccss2 10348 rge0ssre 10381 elfzuz 10426 uzdisj 10502 nn0disj 10547 frecuzrdgtcl 10851 frecuzrdgfunlem 10858 0wrd0 11332 modfsummodlemstep 12226 mertenslem2 12305 prmnn 12890 prmuz2 12911 oddpwdc 12954 sqpweven 12955 2sqpwodd 12956 phimullem 13005 hashgcdlem 13018 1arith 13148 ballotfilem2 13230 ctinfom 13321 ctinf 13323 sgrpmgm 13724 mndsgrp 13736 grpmnd 13814 nsgsubg 14010 ghmgrp1 14050 ghmgrp2 14051 ablgrp 14094 cmnmnd 14106 crngring 14314 rimrhm 14480 subrgring 14534 subrgrcl 14536 rhmpropd 14564 domnnzr 14581 drnglring 14609 flddrngd 14617 2idlelbas 14855 rng2idlsubgsubrng 14859 2idlcpblrng 14862 2idlcpbl 14863 qusrhm 14867 assalmod 15008 assaring 15009 psr1clfi 15081 topontop 15117 tpstop 15138 cntop1 15304 cntop2 15305 hmeocn 15408 isxmet2d 15451 metxmet 15458 xmstps 15560 msxms 15561 xmsxmet 15563 msmet 15564 bdxmet 15604 ivthinclemlr 15740 ivthinclemur 15742 mpodvdsmulf1o 16110 uhgr0vb 16337 trliswlk 16639 eupthfi 16704 eupthistrl 16707 bj-indint 16969 bj-inf2vnlem2 17009 peano4nninf 17061 als-no-surprise 17159 |
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