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Mirrors > Home > ILE Home > Th. List > df-8 | Unicode version |
Description: Define the number 8. (Contributed by NM, 27-May-1999.) |
Ref | Expression |
---|---|
df-8 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | c8 8952 |
. 2
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2 | c7 8951 |
. . 3
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3 | c1 7790 |
. . 3
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4 | caddc 7792 |
. . 3
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5 | 2, 3, 4 | co 5868 |
. 2
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6 | 1, 5 | wceq 1353 |
1
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Colors of variables: wff set class |
This definition is referenced by: 8re 8980 8pos 8998 8m1e7 9020 7p1e8 9034 4p4e8 9040 5p3e8 9042 6p2e8 9044 7p2e9 9046 8nn 9062 7lt8 9085 8p8e16 9445 9p8e17 9452 9p9e18 9453 8t8e64 9480 9t8e72 9487 |
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