| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > breq2i | GIF version | ||
| Description: Equality inference for a binary relation. (Contributed by NM, 8-Feb-1996.) |
| Ref | Expression |
|---|---|
| breq1i.1 | ⊢ 𝐴 = 𝐵 |
| Ref | Expression |
|---|---|
| breq2i | ⊢ (𝐶𝑅𝐴 ↔ 𝐶𝑅𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breq1i.1 | . 2 ⊢ 𝐴 = 𝐵 | |
| 2 | breq2 4087 | . 2 ⊢ (𝐴 = 𝐵 → (𝐶𝑅𝐴 ↔ 𝐶𝑅𝐵)) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐶𝑅𝐴 ↔ 𝐶𝑅𝐵) |
| Colors of variables: wff set class |
| Syntax hints: ↔ wb 105 = wceq 1395 class class class wbr 4083 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-v 2801 df-un 3201 df-sn 3672 df-pr 3673 df-op 3675 df-br 4084 |
| This theorem is referenced by: breqtri 4108 en1 6959 snnen2og 7028 1nen2 7030 pm54.43 7374 caucvgprprlemval 7886 caucvgprprlemmu 7893 caucvgsr 8000 pitonnlem1 8043 lt0neg2 8627 le0neg2 8629 negap0 8788 recexaplem2 8810 recgt1 9055 crap0 9116 addltmul 9359 nn0lt10b 9538 nn0lt2 9539 3halfnz 9555 xlt0neg2 10047 xle0neg2 10049 iccshftr 10202 iccshftl 10204 iccdil 10206 icccntr 10208 fihashen1 11033 swrdccatin2 11277 pfxccat3 11282 cjap0 11434 abs00ap 11589 xrmaxiflemval 11777 mertenslem2 12063 mertensabs 12064 3dvdsdec 12392 3dvds2dec 12393 ndvdsi 12460 bitsfzo 12482 3prm 12666 prmfac1 12690 prm23lt5 12802 dec2dvds 12950 dec5dvds2 12952 sinhalfpilem 15481 sincosq1lem 15515 sincosq1sgn 15516 sincosq2sgn 15517 sincosq3sgn 15518 sincosq4sgn 15519 logrpap0b 15566 gausslemma2dlem1a 15753 2lgsoddprmlem3 15806 |
| Copyright terms: Public domain | W3C validator |