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Theorem tdrgtrg 18194
 Description: A topological division ring is a topological ring. (Contributed by Mario Carneiro, 5-Oct-2015.)
Assertion
Ref Expression
tdrgtrg TopDRing

Proof of Theorem tdrgtrg
StepHypRef Expression
1 eqid 2435 . . 3 mulGrp mulGrp
2 eqid 2435 . . 3 Unit Unit
31, 2istdrg 18187 . 2 TopDRing mulGrps Unit
43simp1bi 972 1 TopDRing
 Colors of variables: wff set class Syntax hints:   wi 4   wcel 1725  cfv 5446  (class class class)co 6073   ↾s cress 13462  mulGrpcmgp 15640  Unitcui 15736  cdr 15827  ctgp 18093  ctrg 18177  TopDRingctdrg 18178 This theorem is referenced by:  tdrgrng  18196  tdrgtmd  18197  tdrgtps  18198  dvrcn  18205 This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1555  ax-5 1566  ax-17 1626  ax-9 1666  ax-8 1687  ax-6 1744  ax-7 1749  ax-11 1761  ax-12 1950  ax-ext 2416 This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3an 938  df-tru 1328  df-ex 1551  df-nf 1554  df-sb 1659  df-clab 2422  df-cleq 2428  df-clel 2431  df-nfc 2560  df-rex 2703  df-rab 2706  df-v 2950  df-dif 3315  df-un 3317  df-in 3319  df-ss 3326  df-nul 3621  df-if 3732  df-sn 3812  df-pr 3813  df-op 3815  df-uni 4008  df-br 4205  df-iota 5410  df-fv 5454  df-ov 6076  df-tdrg 18182
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