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Mirrors > Home > ILE Home > Th. List > nfcr | Unicode version |
Description: Consequence of the not-free predicate. (Contributed by Mario Carneiro, 11-Aug-2016.) |
Ref | Expression |
---|---|
nfcr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-nfc 2288 | . 2 | |
2 | sp 1491 | . 2 | |
3 | 1, 2 | sylbi 120 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wal 1333 wnf 1440 wcel 2128 wnfc 2286 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-4 1490 |
This theorem depends on definitions: df-bi 116 df-nfc 2288 |
This theorem is referenced by: nfcrii 2292 nfcrd 2313 abidnf 2880 csbtt 3043 csbnestgf 3083 |
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