Users' Mathboxes Mathbox for BJ < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  df-bj-ccinftyN Structured version   Visualization version   GIF version

Definition df-bj-ccinftyN 37886
Description: Definition of the circle at infinity ∞N. (Contributed by BJ, 22-Jun-2019.) The precise definition is irrelevant and should generally not be used. (New usage is discouraged.)
Assertion
Ref Expression
df-bj-ccinftyN ∞N = ran +∞e

Detailed syntax breakdown of Definition df-bj-ccinftyN
StepHypRef Expression
1 cccinftyN 37885 . 2 class ∞N
2 cinftyexpitau 37883 . . 3 class +∞e
32crn 5667 . 2 class ran +∞e
41, 3wceq 1570 1 wff ∞N = ran +∞e
Colors of variables:    wff setvar class
This definition is used by:  bj-inftyexpitaufo  37887
  Copyright terms: Public domain W3C validator