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| Mirrors > Home > ILE Home > Th. List > anbi1i | GIF version | ||
| Description: Introduce a right conjunct to both sides of a logical equivalence. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen, 16-Nov-2013.) |
| Ref | Expression |
|---|---|
| bi.aa | ⊢ (𝜑 ↔ 𝜓) |
| Ref | Expression |
|---|---|
| anbi1i | ⊢ ((𝜑 ∧ 𝜒) ↔ (𝜓 ∧ 𝜒)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bi.aa | . . 3 ⊢ (𝜑 ↔ 𝜓) | |
| 2 | 1 | a1i 9 | . 2 ⊢ (𝜒 → (𝜑 ↔ 𝜓)) |
| 3 | 2 | pm5.32ri 455 | 1 ⊢ ((𝜑 ∧ 𝜒) ↔ (𝜓 ∧ 𝜒)) |
| Colors of variables: wff set class |
| Syntax hints: ∧ wa 104 ↔ wb 105 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: anbi2ci 459 anbi12i 460 bianassc 470 an12 563 anandi 594 pm5.53 810 pm5.75 971 3ancoma 1012 3ioran 1020 an6 1358 19.26-3an 1532 19.28h 1611 19.28 1612 eeeanv 1986 sb3an 2011 moanim 2154 nfrexdya 2569 r19.26-3 2664 r19.41 2689 rexcomf 2696 3reeanv 2705 cbvreu 2766 ceqsex3v 2847 rexab 2969 rexrab 2970 rmo4 3000 rmo3f 3004 reuind 3012 sbc3an 3094 rmo3 3125 ssrab 3306 rexun 3389 elin3 3400 inass 3419 unssdif 3444 indifdir 3465 difin2 3471 inrab2 3482 rabun2 3488 reuun2 3492 undif4 3559 rexdifpr 3701 rexsns 3712 rexdifsn 3809 2ralunsn 3887 iuncom4 3982 iunxiun 4057 inuni 4250 unidif0 4263 bnd2 4269 otth2 4339 copsexg 4342 copsex4g 4345 opeqsn 4351 opelopabsbALT 4359 elpwpwel 4578 suc11g 4661 rabxp 4769 opeliunxp 4787 xpundir 4789 xpiundi 4790 xpiundir 4791 brinxp2 4799 rexiunxp 4878 brres 5025 brresg 5027 dmres 5040 resiexg 5064 dminss 5158 imainss 5159 ssrnres 5186 elxp4 5231 elxp5 5232 cnvresima 5233 coundi 5245 resco 5248 imaco 5249 coiun 5253 coi1 5259 coass 5262 xpcom 5290 dffun2 5343 fncnv 5403 imadiflem 5416 imadif 5417 imainlem 5418 mptun 5471 fcnvres 5528 dff1o2 5597 dff1o3 5598 ffoss 5625 f11o 5626 brprcneu 5641 fvun2 5722 eqfnfv3 5755 respreima 5783 f1ompt 5806 fsn 5827 abrexco 5910 imaiun 5911 f1mpt 5922 dff1o6 5927 oprabid 6060 dfoprab2 6078 oprab4 6102 mpomptx 6122 opabex3d 6292 opabex3 6293 abexssex 6296 dfopab2 6361 dfoprab3s 6362 1stconst 6395 2ndconst 6396 xporderlem 6405 spc2ed 6407 f1od2 6409 brtpos2 6460 tpostpos 6473 tposmpo 6490 oviec 6853 mapsncnv 6907 dfixp 6912 domen 6965 mapsnen 7029 xpsnen 7048 xpcomco 7053 xpassen 7057 sspw1or2 7446 ltexpi 7600 dfmq0qs 7692 dfplq0qs 7693 enq0enq 7694 enq0ref 7696 enq0tr 7697 nqnq0pi 7701 prnmaxl 7751 prnminu 7752 suplocexprlemloc 7984 addsrpr 8008 mulsrpr 8009 suplocsrlemb 8069 addcnsr 8097 mulcnsr 8098 ltresr 8102 addvalex 8107 axprecex 8143 elnnz 9533 fnn0ind 9640 rexuz2 9859 qreccl 9920 rexrp 9955 elixx3g 10180 elfz2 10295 elfzuzb 10299 fznn 10369 elfz2nn0 10392 fznn0 10393 4fvwrd4 10420 elfzo2 10430 fzind2 10531 cvg1nlemres 11608 fsum2dlemstep 12058 modfsummod 12082 fprodseq 12207 divalgb 12549 bezoutlemmain 12632 isprm2 12752 oddpwdc 12809 prdsex 13415 prdsval 13419 prdsbaslemss 13420 xpscf 13493 issubg3 13842 releqgg 13870 eqgex 13871 imasabl 13986 dfrhm2 14232 ntreq0 14926 cnnei 15026 txlm 15073 blres 15228 isms2 15248 dedekindicclemicc 15426 limcrcl 15452 lgsquadlem1 15879 lgsquadlem2 15880 isclwwlknx 16340 clwwlknonel 16356 clwwlknon2x 16359 iseupthf1o 16372 bdcriota 16582 bj-peano4 16654 alsconv 16806 |
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