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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 2165 |
. 2
![]() ![]() ![]() ![]() |
4 | vy |
. . . . . 6
![]() ![]() | |
5 | 4 | cv 1242 |
. . . . 5
![]() ![]() |
6 | 5, 2 | wcel 1393 |
. . . 4
![]() ![]() ![]() ![]() |
7 | 6, 1 | wnf 1349 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() |
8 | 7, 4 | wal 1241 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
9 | 3, 8 | wb 98 |
1
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Colors of variables: wff set class |
This definition is referenced by: nfci 2168 nfcr 2170 nfcd 2173 nfceqi 2174 nfceqdf 2177 nfnfc1 2181 nfnfc 2184 drnfc1 2194 drnfc2 2195 dfnfc2 3598 |
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