| 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 4111 | . 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 1398 class class class wbr 4108 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2214 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-v 2814 df-un 3214 df-sn 3694 df-pr 3695 df-op 3697 df-br 4109 |
| This theorem is referenced by: eqbrtri 4129 brtpos0 6482 euen1 7041 euen1b 7042 2dom 7045 modom2 7061 infglbti 7315 pr2nelem 7487 pr2cv2 7492 caucvgprprlemnbj 8007 caucvgprprlemmu 8009 caucvgprprlemaddq 8022 caucvgprprlem1 8023 gt0srpr 8062 caucvgsr 8116 mappsrprg 8118 map2psrprg 8119 pitonnlem1 8159 pitoregt0 8163 axprecex 8194 axpre-mulgt0 8201 axcaucvglemres 8213 lt0neg1 8741 le0neg1 8743 reclt1 9169 addltmul 9474 eluz2b1 9932 nn01to3 9948 xlt0neg1 10170 xle0neg1 10172 iccshftr 10326 iccshftl 10328 iccdil 10330 icccntr 10332 bernneq 11021 cbvsum 12041 expcnv 12186 cbvprod 12240 oddge22np1 12563 nn0o1gt2 12587 isprm3 12811 dvdsnprmd 12818 pw2dvdslemn 12858 txmetcnp 15375 sincosq1sgn 15683 sincosq3sgn 15685 sincosq4sgn 15686 logrpap0b 15733 gausslemma2dlem3 15928 konigsberglem5 16479 |
| Copyright terms: Public domain | W3C validator |