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Mirrors > Home > ILE Home > Th. List > df-frfor | Unicode version |
Description: Define the well-founded
relation predicate where ![]() ![]() |
Ref | Expression |
---|---|
df-frfor |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cA |
. . 3
![]() ![]() | |
2 | cR |
. . 3
![]() ![]() | |
3 | cS |
. . 3
![]() ![]() | |
4 | 1, 2, 3 | wfrfor 4328 |
. 2
![]() ![]() ![]() ![]() |
5 | vy |
. . . . . . . . 9
![]() ![]() | |
6 | 5 | cv 1352 |
. . . . . . . 8
![]() ![]() |
7 | vx |
. . . . . . . . 9
![]() ![]() | |
8 | 7 | cv 1352 |
. . . . . . . 8
![]() ![]() |
9 | 6, 8, 2 | wbr 4004 |
. . . . . . 7
![]() ![]() ![]() ![]() |
10 | 6, 3 | wcel 2148 |
. . . . . . 7
![]() ![]() ![]() ![]() |
11 | 9, 10 | wi 4 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
12 | 11, 5, 1 | wral 2455 |
. . . . 5
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13 | 8, 3 | wcel 2148 |
. . . . 5
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14 | 12, 13 | wi 4 |
. . . 4
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15 | 14, 7, 1 | wral 2455 |
. . 3
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16 | 1, 3 | wss 3130 |
. . 3
![]() ![]() ![]() ![]() |
17 | 15, 16 | wi 4 |
. 2
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18 | 4, 17 | wb 105 |
1
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Colors of variables: wff set class |
This definition is referenced by: frforeq1 4344 frforeq2 4346 frforeq3 4348 nffrfor 4349 frirrg 4351 fr0 4352 frind 4353 zfregfr 4574 |
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