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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 459 | 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 463 anbi12i 464 bianassc 474 an12 567 anandi 598 pm5.53 814 pm5.75 975 3ancoma 1016 3ioran 1024 an6 1362 19.26-3an 1536 19.28h 1615 19.28 1616 eeeanv 1993 sb3an 2018 moanim 2161 nfrexdya 2586 r19.26-3 2681 r19.41 2706 rexcomf 2713 3reeanv 2722 cbvreu 2784 ceqsex3v 2865 rexab 2988 rexrab 2989 rmo4 3019 rmo3f 3023 reuind 3031 sbc3an 3113 rmo3 3144 ssrab 3326 rexun 3409 elin3 3420 inass 3441 unssdif 3466 indifdir 3487 difin2 3493 inrab2 3506 rabun2 3512 reuun2 3516 undif4 3586 rexdifpr 3733 rexsns 3744 rexdifsn 3841 2ralunsn 3919 iuncom4 4014 iunxiun 4089 inuni 4286 unidif0 4299 bnd2 4305 otth2 4376 copsexg 4379 copsex4g 4382 opeqsn 4388 opelopabsbALT 4396 elpwpwel 4616 suc11g 4699 rabxp 4807 opeliunxp 4825 xpundir 4827 xpiundi 4828 xpiundir 4829 brinxp2 4837 rexiunxp 4917 brres 5064 brresg 5066 dmres 5079 resiexg 5103 dminss 5197 imainss 5198 ssrnres 5225 elxp4 5270 elxp5 5271 cnvresima 5272 coundi 5284 resco 5287 imaco 5288 coiun 5292 coi1 5298 coass 5301 xpcom 5329 dffun2 5382 fncnv 5442 imadiflem 5455 imadif 5456 imainlem 5457 mptun 5510 fcnvres 5570 dff1o2 5639 dff1o3 5640 ffoss 5667 f11o 5668 brprcneu 5683 fvun2 5764 eqfnfv3 5799 respreima 5827 f1ompt 5850 fsn 5871 abrexco 5955 imaiun 5956 f1mpt 5967 dff1o6 5972 oprabid 6107 dfoprab2 6125 oprab4 6149 mpomptx 6169 opabex3d 6340 opabex3 6341 abexssex 6344 dfopab2 6413 dfoprab3s 6414 1stconst 6447 2ndconst 6448 xporderlem 6457 spc2ed 6459 f1od2 6461 brtpos2 6512 tpostpos 6525 tposmpo 6542 oviec 6905 mapsncnv 6967 dfixp 6972 domen 7025 mapsnen 7090 xpsnen 7109 xpcomco 7114 xpassen 7118 sspw1or2 7534 ltexpi 7694 dfmq0qs 7786 dfplq0qs 7787 enq0enq 7788 enq0ref 7790 enq0tr 7791 nqnq0pi 7795 prnmaxl 7845 prnminu 7846 suplocexprlemloc 8078 addsrpr 8102 mulsrpr 8103 suplocsrlemb 8163 addcnsr 8191 mulcnsr 8192 ltresr 8196 addvalex 8201 axprecex 8237 elnnz 9633 fnn0ind 9741 rexuz2 9960 qreccl 10021 rexrp 10056 elixx3g 10282 elfz2 10397 elfzuzb 10401 fznn 10474 elfz2nn0 10497 fznn0 10498 4fvwrd4 10525 elfzo2 10535 fzind2 10636 sseqn 11257 hashf1lem1 11263 hashf1lem2 11264 cvg1nlemres 11729 fsum2dlemstep 12179 modfsummod 12203 fprodseq 12328 divalgb 12670 bezoutlemmain 12753 isprm2 12873 oddpwdc 12930 ballotfilemelo 13200 ballotfilem2 13206 ballotfilemfc0 13210 ballotfilemfcc 13211 xpscf 13645 issubg3 13972 releqgg 14000 eqgex 14001 imasabl 14117 prdsex 14149 prdsval 14150 prdsbaslemss 14151 dfrhm2 14434 drngprop 14590 ntreq0 15156 cnnei 15256 txlm 15303 blres 15458 isms2 15478 dedekindicclemicc 15656 limcrcl 15682 lgsquadlem1 16110 lgsquadlem2 16111 isclwwlknx 16571 clwwlknonel 16587 clwwlknon2x 16590 iseupthf1o 16603 bdcriota 16823 bj-peano4 16895 alsconv 17035 |
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