| Mathbox for Jeff Madsen |
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Related theorems Unicode version |
| Description: Existence of supremum. |
| Ref | Expression |
|---|---|
| supex2g |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rabexg 3460 |
. . 3
| |
| 2 | uniexg 3795 |
. . 3
| |
| 3 | 1, 2 | syl 12 |
. 2
|
| 4 | df-sup 5664 |
. 2
| |
| 5 | 3, 4 | syl5eqel 1975 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-13 1311 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-sep 3438 ax-un 3790 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-rex 2110 df-rab 2112 df-v 2294 df-in 2603 df-ss 2605 df-uni 3178 df-sup 5664 |