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| Mirrors > Home > ILE Home > Th. List > vn0m | Unicode version | ||
| Description: The universal class is inhabited. (Contributed by Jim Kingdon, 17-Dec-2018.) |
| Ref | Expression |
|---|---|
| vn0m |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 2824 |
. 2
| |
| 2 | 19.8a 1643 |
. 2
| |
| 3 | 1, 2 | ax-mp 5 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-v 2823 |
| This theorem is used by: relrelss 5314 imasaddfnlemg 13635 |
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