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Mirrors > Home > ILE Home > Th. List > ax-1re | Unicode version |
Description: 1 is a real number. Axiom for real and complex numbers, justified by Theorem ax1re 7863. Proofs should use 1re 7958 instead. (Contributed by Jim Kingdon, 13-Jan-2020.) (New usage is discouraged.) |
Ref | Expression |
---|---|
ax-1re |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | c1 7814 |
. 2
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2 | cr 7812 |
. 2
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3 | 1, 2 | wcel 2148 |
1
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Colors of variables: wff set class |
This axiom is referenced by: 1re 7958 |
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