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Mirrors > Home > ILE Home > Th. List > df-int | Unicode version |
Description: Define the intersection
of a class. Definition 7.35 of [TakeutiZaring]
p. 44. For example, ![]() |
Ref | Expression |
---|---|
df-int |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cA |
. . 3
![]() ![]() | |
2 | 1 | cint 3615 |
. 2
![]() ![]() ![]() |
3 | vy |
. . . . . . 7
![]() ![]() | |
4 | 3 | cv 1242 |
. . . . . 6
![]() ![]() |
5 | 4, 1 | wcel 1393 |
. . . . 5
![]() ![]() ![]() ![]() |
6 | vx |
. . . . . 6
![]() ![]() | |
7 | 6, 3 | wel 1394 |
. . . . 5
![]() ![]() ![]() ![]() |
8 | 5, 7 | wi 4 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
9 | 8, 3 | wal 1241 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
10 | 9, 6 | cab 2026 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
11 | 2, 10 | wceq 1243 |
1
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Colors of variables: wff set class |
This definition is referenced by: dfint2 3617 elint 3621 int0 3629 dfiin2g 3690 bdcint 9997 bdcriota 10003 |
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