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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 1989 sb3an 2014 moanim 2157 nfrexdya 2580 r19.26-3 2675 r19.41 2700 rexcomf 2707 3reeanv 2716 cbvreu 2778 ceqsex3v 2859 rexab 2982 rexrab 2983 rmo4 3013 rmo3f 3017 reuind 3025 sbc3an 3107 rmo3 3138 ssrab 3320 rexun 3403 elin3 3414 inass 3435 unssdif 3460 indifdir 3481 difin2 3487 inrab2 3498 rabun2 3504 reuun2 3508 undif4 3575 rexdifpr 3722 rexsns 3733 rexdifsn 3830 2ralunsn 3908 iuncom4 4003 iunxiun 4078 inuni 4272 unidif0 4285 bnd2 4291 otth2 4362 copsexg 4365 copsex4g 4368 opeqsn 4374 opelopabsbALT 4382 elpwpwel 4601 suc11g 4684 rabxp 4792 opeliunxp 4810 xpundir 4812 xpiundi 4813 xpiundir 4814 brinxp2 4822 rexiunxp 4902 brres 5049 brresg 5051 dmres 5064 resiexg 5088 dminss 5182 imainss 5183 ssrnres 5210 elxp4 5255 elxp5 5256 cnvresima 5257 coundi 5269 resco 5272 imaco 5273 coiun 5277 coi1 5283 coass 5286 xpcom 5314 dffun2 5367 fncnv 5427 imadiflem 5440 imadif 5441 imainlem 5442 mptun 5495 fcnvres 5555 dff1o2 5624 dff1o3 5625 ffoss 5652 f11o 5653 brprcneu 5668 fvun2 5749 eqfnfv3 5782 respreima 5810 f1ompt 5833 fsn 5854 abrexco 5938 imaiun 5939 f1mpt 5950 dff1o6 5955 oprabid 6090 dfoprab2 6108 oprab4 6132 mpomptx 6152 opabex3d 6323 opabex3 6324 abexssex 6327 dfopab2 6396 dfoprab3s 6397 1stconst 6430 2ndconst 6431 xporderlem 6440 spc2ed 6442 f1od2 6444 brtpos2 6495 tpostpos 6508 tposmpo 6525 oviec 6888 mapsncnv 6943 dfixp 6948 domen 7001 mapsnen 7066 xpsnen 7085 xpcomco 7090 xpassen 7094 sspw1or2 7508 ltexpi 7668 dfmq0qs 7760 dfplq0qs 7761 enq0enq 7762 enq0ref 7764 enq0tr 7765 nqnq0pi 7769 prnmaxl 7819 prnminu 7820 suplocexprlemloc 8052 addsrpr 8076 mulsrpr 8077 suplocsrlemb 8137 addcnsr 8165 mulcnsr 8166 ltresr 8170 addvalex 8175 axprecex 8211 elnnz 9604 fnn0ind 9712 rexuz2 9931 qreccl 9992 rexrp 10027 elixx3g 10253 elfz2 10368 elfzuzb 10372 fznn 10445 elfz2nn0 10468 fznn0 10469 4fvwrd4 10496 elfzo2 10506 fzind2 10607 sseqn 11228 cvg1nlemres 11695 fsum2dlemstep 12145 modfsummod 12169 fprodseq 12294 divalgb 12636 bezoutlemmain 12719 isprm2 12839 oddpwdc 12896 ballotfilemelo 13166 ballotfilem2 13172 ballotfilemfc0 13176 ballotfilemfcc 13177 xpscf 13611 issubg3 13945 releqgg 13973 eqgex 13974 imasabl 14089 prdsex 14114 prdsval 14115 prdsbaslemss 14116 dfrhm2 14399 drngprop 14555 ntreq0 15123 cnnei 15223 txlm 15270 blres 15425 isms2 15445 dedekindicclemicc 15623 limcrcl 15649 lgsquadlem1 16076 lgsquadlem2 16077 isclwwlknx 16537 clwwlknonel 16553 clwwlknon2x 16556 iseupthf1o 16569 bdcriota 16779 bj-peano4 16851 alsconv 16992 |
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