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Definition df-r 9238
Description: Define the set of real numbers. (Contributed by NM, 22-Feb-1996.) (New usage is discouraged.)
Assertion
Ref Expression
df-r

Detailed syntax breakdown of Definition df-r
StepHypRef Expression
1 cr 9227 . 2
2 cnr 8980 . . 3
3 c0r 8981 . . . 4
43csn 3853 . . 3
52, 4cxp 4809 . 2
61, 5wceq 1687 1
Colors of variables: wff setvar class
This definition is referenced by:  opelreal  9243  elreal  9244  elreal2  9245  axresscn  9261  ax1rid  9274  avril1  23335
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