Theorem tdrgtmd 22356

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 22353	. 2 ⊢ (𝑅 ∈ TopDRing → 𝑅 ∈ TopRing)
2		trgtmd2 22349	. 2 ⊢ (𝑅 ∈ TopRing → 𝑅 ∈ TopMnd)
3	1, 2	syl 17	1 ⊢ (𝑅 ∈ TopDRing → 𝑅 ∈ TopMnd)

Syntax hints:   → wi 4   ∈ wcel 2164  TopMndctmd 22251  TopRingctrg 22336  TopDRingctdrg 22337

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1894  ax-4 1908  ax-5 2009  ax-6 2075  ax-7 2112  ax-9 2173  ax-10 2192  ax-11 2207  ax-12 2220  ax-13 2389  ax-ext 2803  ax-nul 5015

This theorem depends on definitions:  df-bi 199  df-an 387  df-or 879  df-3an 1113  df-tru 1660  df-ex 1879  df-nf 1883  df-sb 2068  df-mo 2605  df-eu 2640  df-clab 2812  df-cleq 2818  df-clel 2821  df-nfc 2958  df-ral 3122  df-rex 3123  df-rab 3126  df-v 3416  df-sbc 3663  df-dif 3801  df-un 3803  df-in 3805  df-ss 3812  df-nul 4147  df-if 4309  df-sn 4400  df-pr 4402  df-op 4406  df-uni 4661  df-br 4876  df-iota 6090  df-fv 6135  df-ov 6913  df-tgp 22254  df-trg 22340  df-tdrg 22341

This theorem is referenced by: (None)