| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 561 anandi 592 pm5.53 807 pm5.75 968 3ancoma 1009 3ioran 1017 an6 1355 19.26-3an 1529 19.28h 1608 19.28 1609 eeeanv 1984 sb3an 2009 moanim 2152 nfrexdya 2566 r19.26-3 2661 r19.41 2686 rexcomf 2693 3reeanv 2702 cbvreu 2763 ceqsex3v 2844 rexab 2966 rexrab 2967 rmo4 2997 rmo3f 3001 reuind 3009 sbc3an 3091 rmo3 3122 ssrab 3303 rexun 3385 elin3 3396 inass 3415 unssdif 3440 indifdir 3461 difin2 3467 inrab2 3478 rabun2 3484 reuun2 3488 undif4 3555 rexdifpr 3695 rexsns 3706 rexdifsn 3803 2ralunsn 3880 iuncom4 3975 iunxiun 4050 inuni 4243 unidif0 4255 bnd2 4261 otth2 4331 copsexg 4334 copsex4g 4337 opeqsn 4343 opelopabsbALT 4351 elpwpwel 4570 suc11g 4653 rabxp 4761 opeliunxp 4779 xpundir 4781 xpiundi 4782 xpiundir 4783 brinxp2 4791 rexiunxp 4870 brres 5017 brresg 5019 dmres 5032 resiexg 5056 dminss 5149 imainss 5150 ssrnres 5177 elxp4 5222 elxp5 5223 cnvresima 5224 coundi 5236 resco 5239 imaco 5240 coiun 5244 coi1 5250 coass 5253 xpcom 5281 dffun2 5334 fncnv 5393 imadiflem 5406 imadif 5407 imainlem 5408 mptun 5461 fcnvres 5517 dff1o2 5585 dff1o3 5586 ffoss 5612 f11o 5613 brprcneu 5628 fvun2 5709 eqfnfv3 5742 respreima 5771 f1ompt 5794 fsn 5815 abrexco 5895 imaiun 5896 f1mpt 5907 dff1o6 5912 oprabid 6045 dfoprab2 6063 oprab4 6087 mpomptx 6107 opabex3d 6278 opabex3 6279 abexssex 6282 dfopab2 6347 dfoprab3s 6348 1stconst 6381 2ndconst 6382 xporderlem 6391 spc2ed 6393 f1od2 6395 brtpos2 6412 tpostpos 6425 tposmpo 6442 oviec 6805 mapsncnv 6859 dfixp 6864 domen 6917 mapsnen 6981 xpsnen 7000 xpcomco 7005 xpassen 7009 ltexpi 7547 dfmq0qs 7639 dfplq0qs 7640 enq0enq 7641 enq0ref 7643 enq0tr 7644 nqnq0pi 7648 prnmaxl 7698 prnminu 7699 suplocexprlemloc 7931 addsrpr 7955 mulsrpr 7956 suplocsrlemb 8016 addcnsr 8044 mulcnsr 8045 ltresr 8049 addvalex 8054 axprecex 8090 elnnz 9479 fnn0ind 9586 rexuz2 9805 qreccl 9866 rexrp 9901 elixx3g 10126 elfz2 10240 elfzuzb 10244 fznn 10314 elfz2nn0 10337 fznn0 10338 4fvwrd4 10365 elfzo2 10375 fzind2 10475 cvg1nlemres 11536 fsum2dlemstep 11985 modfsummod 12009 fprodseq 12134 divalgb 12476 bezoutlemmain 12559 isprm2 12679 oddpwdc 12736 prdsex 13342 prdsval 13346 prdsbaslemss 13347 xpscf 13420 issubg3 13769 releqgg 13797 eqgex 13798 imasabl 13913 dfrhm2 14158 ntreq0 14846 cnnei 14946 txlm 14993 blres 15148 isms2 15168 dedekindicclemicc 15346 limcrcl 15372 lgsquadlem1 15796 lgsquadlem2 15797 isclwwlknx 16211 clwwlknonel 16227 clwwlknon2x 16230 iseupthf1o 16243 bdcriota 16414 bj-peano4 16486 alsconv 16620 |
| Copyright terms: Public domain | W3C validator |