| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > breq1i | GIF version | ||
| Description: Equality inference for a binary relation. (Contributed by NM, 8-Feb-1996.) |
| Ref | Expression |
|---|---|
| breq1i.1 | ⊢ 𝐴 = 𝐵 |
| Ref | Expression |
|---|---|
| breq1i | ⊢ (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breq1i.1 | . 2 ⊢ 𝐴 = 𝐵 | |
| 2 | breq1 4089 | . 2 ⊢ (𝐴 = 𝐵 → (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐶)) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐶) |
| Colors of variables: wff set class |
| Syntax hints: ↔ wb 105 = wceq 1395 class class class wbr 4086 |
| 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 2802 df-un 3202 df-sn 3673 df-pr 3674 df-op 3676 df-br 4087 |
| This theorem is referenced by: eqbrtri 4107 brtpos0 6413 euen1 6971 euen1b 6972 2dom 6975 modom2 6990 infglbti 7215 pr2nelem 7387 pr2cv2 7392 caucvgprprlemnbj 7903 caucvgprprlemmu 7905 caucvgprprlemaddq 7918 caucvgprprlem1 7919 gt0srpr 7958 caucvgsr 8012 mappsrprg 8014 map2psrprg 8015 pitonnlem1 8055 pitoregt0 8059 axprecex 8090 axpre-mulgt0 8097 axcaucvglemres 8109 lt0neg1 8638 le0neg1 8640 reclt1 9066 addltmul 9371 eluz2b1 9825 nn01to3 9841 xlt0neg1 10063 xle0neg1 10065 iccshftr 10219 iccshftl 10221 iccdil 10223 icccntr 10225 bernneq 10912 cbvsum 11911 expcnv 12055 cbvprod 12109 oddge22np1 12432 nn0o1gt2 12456 isprm3 12680 dvdsnprmd 12687 pw2dvdslemn 12727 txmetcnp 15232 sincosq1sgn 15540 sincosq3sgn 15542 sincosq4sgn 15543 logrpap0b 15590 gausslemma2dlem3 15782 |
| Copyright terms: Public domain | W3C validator |