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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 4460 wefr 4505 ordtr 4525 opelxp1 4810 relop 4932 ssrelrn 4974 funmo 5395 funrel 5397 funinsn 5433 fnfun 5481 ffn 5536 f1f 5601 f1of1 5641 f1ofo 5649 isof1o 6016 eqopi 6410 1st2nd2 6413 reldmtpos 6528 swoer 6839 ecopover 6911 ecopoverg 6914 fnfi 7255 casef 7435 nninff 7469 lpowlpo 7515 papirr 7618 tapap 7623 dfplpq2 7728 enq0ref 7807 cauappcvgprlemopl 8020 cauappcvgprlemdisj 8025 caucvgprlemopl 8043 caucvgprlemdisj 8048 caucvgprprlemopl 8071 caucvgprprlemopu 8073 caucvgprprlemdisj 8076 peano1nnnn 8226 axrnegex 8253 ltxrlt 8398 1nn 9325 zre 9660 nnssz 9673 ixxss1 10324 ixxss2 10325 ixxss12 10326 iccss2 10364 rge0ssre 10397 elfzuz 10442 uzdisj 10518 nn0disj 10563 frecuzrdgtcl 10871 frecuzrdgfunlem 10878 0wrd0 11353 modfsummodlemstep 12250 mertenslem2 12329 prmnn 12914 prmuz2 12936 nnmaxpw 12979 sqpweven 12981 2sqpwodd 12982 phimullem 13033 hashgcdlem 13046 1arith 13176 ballotfilem2 13287 ctinfom 13378 ctinf 13380 sgrpmgm 13782 mndsgrp 13794 grpmnd 13872 nsgsubg 14068 ghmgrp1 14108 ghmgrp2 14109 ablgrp 14183 cmnmnd 14195 crngring 14420 rimrhm 14588 subrgring 14642 subrgrcl 14644 rhmpropd 14672 domnnzr 14689 drnglring 14717 flddrngd 14725 2idlelbas 14963 rng2idlsubgsubrng 14967 2idlcpblrng 14970 2idlcpbl 14971 qusrhm 14975 assalmod 15116 assaring 15117 psr1clfi 15203 topontop 15252 tpstop 15273 cntop1 15439 cntop2 15440 hmeocn 15543 isxmet2d 15586 metxmet 15593 xmstps 15695 msxms 15696 xmsxmet 15698 msmet 15699 bdxmet 15739 ivthinclemlr 15875 ivthinclemur 15877 mpodvdsmulf1o 16296 uhgr0vb 16542 trliswlk 16844 eupthfi 16909 eupthistrl 16912 bj-indint 17174 bj-inf2vnlem2 17214 peano4nninf 17267 als-no-surprise 17366 |
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