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| 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 4115 | . 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 1398 class class class wbr 4111 |
| 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 2216 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-v 2817 df-un 3217 df-sn 3697 df-pr 3698 df-op 3700 df-br 4112 |
| This theorem is referenced by: breqtri 4136 en1 7041 snnen2og 7115 1nen2 7117 pm54.43 7489 caucvgprprlemval 8005 caucvgprprlemmu 8012 caucvgsr 8119 pitonnlem1 8162 lt0neg2 8745 le0neg2 8747 negap0 8906 recexaplem2 8928 recgt1 9173 crap0 9234 addltmul 9477 nn0lt10b 9661 nn0lt2 9662 3halfnz 9678 xlt0neg2 10175 xle0neg2 10177 iccshftr 10330 iccshftl 10332 iccdil 10334 icccntr 10336 fihashen1 11166 swrdccatin2 11425 pfxccat3 11430 cjap0 11596 abs00ap 11751 xrmaxiflemval 11939 mertenslem2 12226 mertensabs 12227 3dvdsdec 12555 3dvds2dec 12556 ndvdsi 12623 bitsfzo 12645 3prm 12829 prmfac1 12853 prm23lt5 12965 dec2dvds 13113 dec5dvds2 13115 ballotfilem4 13159 sinhalfpilem 15673 sincosq1lem 15707 sincosq1sgn 15708 sincosq2sgn 15709 sincosq3sgn 15710 sincosq4sgn 15711 logrpap0b 15758 gausslemma2dlem1a 15948 2lgsoddprmlem3 16001 konigsberglem4 16503 |
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