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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 5899 imaiun 5900 f1mpt 5911 dff1o6 5916 oprabid 6049 dfoprab2 6067 oprab4 6091 mpomptx 6111 opabex3d 6282 opabex3 6283 abexssex 6286 dfopab2 6351 dfoprab3s 6352 1stconst 6385 2ndconst 6386 xporderlem 6395 spc2ed 6397 f1od2 6399 brtpos2 6416 tpostpos 6429 tposmpo 6446 oviec 6809 mapsncnv 6863 dfixp 6868 domen 6921 mapsnen 6985 xpsnen 7004 xpcomco 7009 xpassen 7013 sspw1or2 7402 ltexpi 7556 dfmq0qs 7648 dfplq0qs 7649 enq0enq 7650 enq0ref 7652 enq0tr 7653 nqnq0pi 7657 prnmaxl 7707 prnminu 7708 suplocexprlemloc 7940 addsrpr 7964 mulsrpr 7965 suplocsrlemb 8025 addcnsr 8053 mulcnsr 8054 ltresr 8058 addvalex 8063 axprecex 8099 elnnz 9488 fnn0ind 9595 rexuz2 9814 qreccl 9875 rexrp 9910 elixx3g 10135 elfz2 10249 elfzuzb 10253 fznn 10323 elfz2nn0 10346 fznn0 10347 4fvwrd4 10374 elfzo2 10384 fzind2 10484 cvg1nlemres 11545 fsum2dlemstep 11994 modfsummod 12018 fprodseq 12143 divalgb 12485 bezoutlemmain 12568 isprm2 12688 oddpwdc 12745 prdsex 13351 prdsval 13355 prdsbaslemss 13356 xpscf 13429 issubg3 13778 releqgg 13806 eqgex 13807 imasabl 13922 dfrhm2 14167 ntreq0 14855 cnnei 14955 txlm 15002 blres 15157 isms2 15177 dedekindicclemicc 15355 limcrcl 15381 lgsquadlem1 15805 lgsquadlem2 15806 isclwwlknx 16266 clwwlknonel 16282 clwwlknon2x 16285 iseupthf1o 16298 bdcriota 16478 bj-peano4 16550 alsconv 16691 |
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