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Mirrors > Home > ILE Home > Th. List > supeq1i | GIF version |
Description: Equality inference for supremum. (Contributed by Paul Chapman, 22-Jun-2011.) |
Ref | Expression |
---|---|
supeq1i.1 | ⊢ 𝐵 = 𝐶 |
Ref | Expression |
---|---|
supeq1i | ⊢ sup(𝐵, 𝐴, 𝑅) = sup(𝐶, 𝐴, 𝑅) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | supeq1i.1 | . 2 ⊢ 𝐵 = 𝐶 | |
2 | supeq1 7016 | . 2 ⊢ (𝐵 = 𝐶 → sup(𝐵, 𝐴, 𝑅) = sup(𝐶, 𝐴, 𝑅)) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ sup(𝐵, 𝐴, 𝑅) = sup(𝐶, 𝐴, 𝑅) |
Colors of variables: wff set class |
Syntax hints: = wceq 1364 supcsup 7012 |
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 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2171 |
This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ral 2473 df-rex 2474 df-rab 2477 df-uni 3825 df-sup 7014 |
This theorem is referenced by: infrenegsupex 9626 maxcom 11247 xrmax2sup 11297 xrmaxltsup 11301 xrmaxadd 11304 infxrnegsupex 11306 gcdcom 12009 gcdass 12051 |
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