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Mirrors > Home > ILE Home > Th. List > df-r | Unicode version |
Description: Define the set of real numbers. (Contributed by NM, 22-Feb-1996.) |
Ref | Expression |
---|---|
df-r |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cr 7347 |
. 2
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2 | cnr 6854 |
. . 3
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3 | c0r 6855 |
. . . 4
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4 | 3 | csn 3446 |
. . 3
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5 | 2, 4 | cxp 4436 |
. 2
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6 | 1, 5 | wceq 1289 |
1
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Colors of variables: wff set class |
This definition is referenced by: opelreal 7363 elreal 7364 elreal2 7366 axresscn 7395 ax1rid 7410 |
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