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Mirrors > Home > ILE Home > Th. List > df-nfc | Unicode version |
Description: Define the not-free
predicate for classes. This is read "![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
df-nfc |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vx |
. . 3
![]() ![]() | |
2 | cA |
. . 3
![]() ![]() | |
3 | 1, 2 | wnfc 2162 |
. 2
![]() ![]() ![]() ![]() |
4 | vy |
. . . . . 6
![]() ![]() | |
5 | 4 | cv 1241 |
. . . . 5
![]() ![]() |
6 | 5, 2 | wcel 1390 |
. . . 4
![]() ![]() ![]() ![]() |
7 | 6, 1 | wnf 1346 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() |
8 | 7, 4 | wal 1240 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
9 | 3, 8 | wb 98 |
1
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Colors of variables: wff set class |
This definition is referenced by: nfci 2165 nfcr 2167 nfcd 2170 nfceqi 2171 nfceqdf 2174 nfnfc1 2178 nfnfc 2181 drnfc1 2191 drnfc2 2192 dfnfc2 3589 |
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