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| Description: Lemma for caucvg 7177. This lemma shows the membership relation
for
|
| Ref | Expression |
|---|---|
| caucvg.1 |
|
| caucvg.2 |
|
| caucvg.3 |
|
| Ref | Expression |
|---|---|
| caucvglem1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breq1 2635 |
. . . 4
| |
| 2 | 1 | imbi2d 615 |
. . 3
|
| 3 | 2 | rexralbidv 1689 |
. 2
|
| 4 | caucvg.3 |
. 2
| |
| 5 | 3, 4 | elrab2 1914 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: caucvglem2 7172 caucvglem4 7174 caucvglem5 7175 caucvglem6 7176 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 966 ax-gen 967 ax-8 968 ax-10 970 ax-12 972 ax-17 975 ax-4 977 ax-5o 979 ax-6o 982 ax-9o 1129 ax-10o 1146 ax-16 1216 ax-11o 1224 ax-ext 1466 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 985 df-sb 1178 df-clab 1471 df-cleq 1476 df-clel 1479 df-ral 1656 df-rex 1657 df-rab 1659 df-v 1819 df-un 2059 df-sn 2422 df-pr 2423 df-op 2426 df-br 2633 |