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Mirrors > Home > ILE Home > Th. List > Mathboxes > df-bj-ind | Unicode version |
Description: Define the property of being an inductive class. (Contributed by BJ, 30-Nov-2019.) |
Ref | Expression |
---|---|
df-bj-ind |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cA |
. . 3
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2 | 1 | wind 14560 |
. 2
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3 | c0 3422 |
. . . 4
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4 | 3, 1 | wcel 2148 |
. . 3
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5 | vx |
. . . . . . 7
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6 | 5 | cv 1352 |
. . . . . 6
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7 | 6 | csuc 4365 |
. . . . 5
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8 | 7, 1 | wcel 2148 |
. . . 4
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9 | 8, 5, 1 | wral 2455 |
. . 3
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10 | 4, 9 | wa 104 |
. 2
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11 | 2, 10 | wb 105 |
1
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Colors of variables: wff set class |
This definition is referenced by: bj-indsuc 14562 bj-indeq 14563 bj-bdind 14564 bj-indint 14565 bj-indind 14566 bj-dfom 14567 bj-inf2vnlem1 14604 bj-inf2vnlem2 14605 |
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