| Mathbox for Jonathan Ben-Naim |
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Related theorems Unicode version |
| Description: First-order logic and set theory. |
| Ref | Expression |
|---|---|
| bnj92.1 |
|
| bnj92.2 |
|
| Ref | Expression |
|---|---|
| bnj92 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bnj92.1 |
. . 3
| |
| 2 | bnj92.2 |
. . 3
| |
| 3 | 1, 2 | bnj524 12523 |
. 2
|
| 4 | sbcralg 2531 |
. . 3
| |
| 5 | 2, 4 | ax-mp 7 |
. 2
|
| 6 | sbcimg 2496 |
. . . . 5
| |
| 7 | 2, 6 | ax-mp 7 |
. . . 4
|
| 8 | sbcel2gv 2512 |
. . . . . 6
| |
| 9 | 2, 8 | ax-mp 7 |
. . . . 5
|
| 10 | ax-17 1317 |
. . . . . . 7
| |
| 11 | 10 | sbcgf 2520 |
. . . . . 6
|
| 12 | 2, 11 | ax-mp 7 |
. . . . 5
|
| 13 | 9, 12 | imbi12i 205 |
. . . 4
|
| 14 | 7, 13 | bitri 190 |
. . 3
|
| 15 | 14 | ralbii 2127 |
. 2
|
| 16 | 3, 5, 15 | 3bitri 194 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: bnj106 13225 bnj120 13230 |
| 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-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 |
| 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-ral 2109 df-v 2294 df-sbc 2454 |