Theorem tdrgtmd 24132

Description: A topological division ring is a topological monoid. (Contributed by Mario Carneiro, 5-Oct-2015.)

Assertion

Ref	Expression
tdrgtmd	⊢ (𝑅 ∈ TopDRing → 𝑅 ∈ TopMnd)

Proof of Theorem tdrgtmd

Step	Hyp	Ref	Expression
1		tdrgtrg 24129	. 2 ⊢ (𝑅 ∈ TopDRing → 𝑅 ∈ TopRing)
2		trgtmd2 24125	. 2 ⊢ (𝑅 ∈ TopRing → 𝑅 ∈ TopMnd)
3	1, 2	syl 17	1 ⊢ (𝑅 ∈ TopDRing → 𝑅 ∈ TopMnd)

Syntax hints:   → wi 4   ∈ wcel 2114  TopMndctmd 24026  TopRingctrg 24112  TopDRingctdrg 24113

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-ext 2709  ax-nul 5253

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-ne 2934  df-rab 3402  df-v 3444  df-sbc 3743  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-nul 4288  df-if 4482  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-br 5101  df-iota 6456  df-fv 6508  df-ov 7371  df-tgp 24029  df-trg 24116  df-tdrg 24117

This theorem is referenced by: (None)