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Mirrors > Home > ILE Home > Th. List > df-disj | Unicode version |
Description: A collection of classes
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Ref | Expression |
---|---|
df-disj |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vx |
. . 3
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2 | cA |
. . 3
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3 | cB |
. . 3
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4 | 1, 2, 3 | wdisj 3914 |
. 2
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5 | vy |
. . . . . 6
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6 | 5 | cv 1331 |
. . . . 5
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7 | 6, 3 | wcel 1481 |
. . . 4
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8 | 7, 1, 2 | wrmo 2420 |
. . 3
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9 | 8, 5 | wal 1330 |
. 2
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10 | 4, 9 | wb 104 |
1
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Colors of variables: wff set class |
This definition is referenced by: dfdisj2 3916 disjss2 3917 cbvdisj 3924 nfdisj1 3927 disjnim 3928 disjiun 3932 disjxp1 6141 |
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