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Mirrors > Home > ILE Home > Th. List > nfrmo1 | Unicode version |
Description: is not free in . (Contributed by NM, 16-Jun-2017.) |
Ref | Expression |
---|---|
nfrmo1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rmo 2314 | . 2 | |
2 | nfmo1 1912 | . 2 | |
3 | 1, 2 | nfxfr 1363 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 97 wnf 1349 wcel 1393 wmo 1901 wrmo 2309 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-4 1400 ax-ial 1427 ax-i5r 1428 |
This theorem depends on definitions: df-bi 110 df-nf 1350 df-eu 1903 df-mo 1904 df-rmo 2314 |
This theorem is referenced by: nfdisj1 3758 |
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