Metamath Proof Explorer


Axiom ax-resscn

Description: The real numbers are a subset of the complex numbers. Axiom 1 of 22 for real and complex numbers, justified by Theorem axresscn . (Contributed by NM, 1-Mar-1995)

Ref Expression
Assertion ax-resscn
|- RR C_ CC

Detailed syntax breakdown

Step Hyp Ref Expression
0 cr
 |-  RR
1 cc
 |-  CC
2 0 1 wss
 |-  RR C_ CC