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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 pm5.53 809 pm5.75 970 3ancoma 1011 3ioran 1019 an6 1357 19.26-3an 1531 19.28h 1610 19.28 1611 eeeanv 1986 sb3an 2011 moanim 2154 nfrexdya 2568 r19.26-3 2663 r19.41 2688 rexcomf 2695 3reeanv 2704 cbvreu 2765 ceqsex3v 2846 rexab 2968 rexrab 2969 rmo4 2999 rmo3f 3003 reuind 3011 sbc3an 3093 rmo3 3124 ssrab 3305 rexun 3387 elin3 3398 inass 3417 unssdif 3442 indifdir 3463 difin2 3469 inrab2 3480 rabun2 3486 reuun2 3490 undif4 3557 rexdifpr 3697 rexsns 3708 rexdifsn 3805 2ralunsn 3882 iuncom4 3977 iunxiun 4052 inuni 4245 unidif0 4257 bnd2 4263 otth2 4333 copsexg 4336 copsex4g 4339 opeqsn 4345 opelopabsbALT 4353 elpwpwel 4572 suc11g 4655 rabxp 4763 opeliunxp 4781 xpundir 4783 xpiundi 4784 xpiundir 4785 brinxp2 4793 rexiunxp 4872 brres 5019 brresg 5021 dmres 5034 resiexg 5058 dminss 5151 imainss 5152 ssrnres 5179 elxp4 5224 elxp5 5225 cnvresima 5226 coundi 5238 resco 5241 imaco 5242 coiun 5246 coi1 5252 coass 5255 xpcom 5283 dffun2 5336 fncnv 5396 imadiflem 5409 imadif 5410 imainlem 5411 mptun 5464 fcnvres 5520 dff1o2 5588 dff1o3 5589 ffoss 5616 f11o 5617 brprcneu 5632 fvun2 5713 eqfnfv3 5746 respreima 5775 f1ompt 5798 fsn 5819 abrexco 5900 imaiun 5901 f1mpt 5912 dff1o6 5917 oprabid 6050 dfoprab2 6068 oprab4 6092 mpomptx 6112 opabex3d 6283 opabex3 6284 abexssex 6287 dfopab2 6352 dfoprab3s 6353 1stconst 6386 2ndconst 6387 xporderlem 6396 spc2ed 6398 f1od2 6400 brtpos2 6417 tpostpos 6430 tposmpo 6447 oviec 6810 mapsncnv 6864 dfixp 6869 domen 6922 mapsnen 6986 xpsnen 7005 xpcomco 7010 xpassen 7014 sspw1or2 7403 ltexpi 7557 dfmq0qs 7649 dfplq0qs 7650 enq0enq 7651 enq0ref 7653 enq0tr 7654 nqnq0pi 7658 prnmaxl 7708 prnminu 7709 suplocexprlemloc 7941 addsrpr 7965 mulsrpr 7966 suplocsrlemb 8026 addcnsr 8054 mulcnsr 8055 ltresr 8059 addvalex 8064 axprecex 8100 elnnz 9489 fnn0ind 9596 rexuz2 9815 qreccl 9876 rexrp 9911 elixx3g 10136 elfz2 10250 elfzuzb 10254 fznn 10324 elfz2nn0 10347 fznn0 10348 4fvwrd4 10375 elfzo2 10385 fzind2 10486 cvg1nlemres 11550 fsum2dlemstep 12000 modfsummod 12024 fprodseq 12149 divalgb 12491 bezoutlemmain 12574 isprm2 12694 oddpwdc 12751 prdsex 13357 prdsval 13361 prdsbaslemss 13362 xpscf 13435 issubg3 13784 releqgg 13812 eqgex 13813 imasabl 13928 dfrhm2 14174 ntreq0 14862 cnnei 14962 txlm 15009 blres 15164 isms2 15184 dedekindicclemicc 15362 limcrcl 15388 lgsquadlem1 15812 lgsquadlem2 15813 isclwwlknx 16273 clwwlknonel 16289 clwwlknon2x 16292 iseupthf1o 16305 bdcriota 16504 bj-peano4 16576 alsconv 16721 |
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