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Mirrors > Home > MPE Home > Th. List > df-wina | Structured version Visualization version Unicode version |
Description: An ordinal is weakly
inaccessible iff it is a regular limit cardinal.
Note that our definition allows ![]() |
Ref | Expression |
---|---|
df-wina |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cwina 9107 |
. 2
![]() ![]() ![]() | |
2 | vx |
. . . . . 6
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3 | 2 | cv 1443 |
. . . . 5
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4 | c0 3731 |
. . . . 5
![]() ![]() | |
5 | 3, 4 | wne 2622 |
. . . 4
![]() ![]() ![]() ![]() |
6 | ccf 8371 |
. . . . . 6
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7 | 3, 6 | cfv 5582 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() |
8 | 7, 3 | wceq 1444 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
9 | vy |
. . . . . . . 8
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10 | 9 | cv 1443 |
. . . . . . 7
![]() ![]() |
11 | vz |
. . . . . . . 8
![]() ![]() | |
12 | 11 | cv 1443 |
. . . . . . 7
![]() ![]() |
13 | csdm 7568 |
. . . . . . 7
![]() ![]() | |
14 | 10, 12, 13 | wbr 4402 |
. . . . . 6
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15 | 14, 11, 3 | wrex 2738 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
16 | 15, 9, 3 | wral 2737 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
17 | 5, 8, 16 | w3a 985 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
18 | 17, 2 | cab 2437 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
19 | 1, 18 | wceq 1444 |
1
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Colors of variables: wff setvar class |
This definition is referenced by: elwina 9111 |
Copyright terms: Public domain | W3C validator |