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Axiom ax-1rid 6790
Description:  1 is an identity element for real multiplication. Axiom for real and complex numbers, justified by theorem ax1rid 6761. (Contributed by NM, 29-Jan-1995.)
Assertion
Ref Expression
ax-1rid  RR  x.  1

Detailed syntax breakdown of Axiom ax-1rid
StepHypRef Expression
1 cA . . 3
2 cr 6710 . . 3  RR
31, 2wcel 1390 . 2  RR
4 c1 6712 . . . 4  1
5 cmul 6716 . . . 4  x.
61, 4, 5co 5455 . . 3  x.  1
76, 1wceq 1242 . 2  x.  1
83, 7wi 4 1  RR  x.  1
Colors of variables: wff set class
This axiom is referenced by:  mulid1  6822  mulgt1  7610  ltmulgt11  7611  lemulge11  7613  addltmul  7938
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