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| Mirrors > Home > ILE Home > Th. List > supeq1d | GIF version | ||
| Description: Equality deduction for supremum. (Contributed by Paul Chapman, 22-Jun-2011.) |
| Ref | Expression |
|---|---|
| supeq1d.1 | ⊢ (𝜑 → 𝐵 = 𝐶) |
| Ref | Expression |
|---|---|
| supeq1d | ⊢ (𝜑 → sup(𝐵, 𝐴, 𝑅) = sup(𝐶, 𝐴, 𝑅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | supeq1d.1 | . 2 ⊢ (𝜑 → 𝐵 = 𝐶) | |
| 2 | supeq1 7228 | . 2 ⊢ (𝐵 = 𝐶 → sup(𝐵, 𝐴, 𝑅) = sup(𝐶, 𝐴, 𝑅)) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → sup(𝐵, 𝐴, 𝑅) = sup(𝐶, 𝐴, 𝑅)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 supcsup 7224 |
| 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 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-rab 2520 df-uni 3899 df-sup 7226 |
| This theorem is referenced by: sup3exmid 9180 supminfex 9874 suprzubdc 10540 minmax 11851 xrminmax 11886 xrminrecl 11894 xrminadd 11896 gcdval 12591 gcdass 12647 pceulem 12928 pceu 12929 pcval 12930 pczpre 12931 pcdiv 12936 pcneg 12959 prdsex 13413 prdsval 13417 xmetxp 15298 xmetxpbl 15299 txmetcnp 15309 qtopbasss 15312 hovera 15438 hoverb 15439 hoverlt1 15440 hovergt0 15441 ivthdich 15444 repiecele0 16738 repiecege0 16739 repiecef 16740 |
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