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Theorem sdrgrcl 20858
Description: Reverse closure for a sub-division-ring predicate. (Contributed by SN, 19-Feb-2025.)
Assertion
Ref Expression
sdrgrcl (𝐴 ∈ (SubDRing‘𝑅) → 𝑅 ∈ DivRing)

Proof of Theorem sdrgrcl
StepHypRef Expression
1 issdrg 20857 . 2 (𝐴 ∈ (SubDRing‘𝑅) ↔ (𝑅 ∈ DivRing ∧ 𝐴 ∈ (SubRing‘𝑅) ∧ (𝑅s 𝐴) ∈ DivRing))
21simp1bi 1161 1 (𝐴 ∈ (SubDRing‘𝑅) → 𝑅 ∈ DivRing)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2145  cfv 6525  (class class class)co 7400  s cress 17278  SubRingcsubrg 20642  DivRingcdr 20801  SubDRingcsdrg 20855
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1818  ax-4 1832  ax-5 1933  ax-6 1990  ax-7 2031  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2215  ax-ext 2737  ax-sep 5250  ax-nul 5260  ax-pr 5394
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1103  df-tru 1566  df-fal 1576  df-ex 1803  df-nf 1807  df-sb 2094  df-mo 2569  df-eu 2599  df-clab 2744  df-cleq 2757  df-clel 2840  df-nfc 2914  df-ne 2961  df-ral 3080  df-rex 3090  df-rab 3418  df-v 3459  df-dif 3910  df-un 3912  df-in 3914  df-ss 3924  df-nul 4289  df-if 4484  df-pw 4560  df-sn 4586  df-pr 4588  df-op 4592  df-uni 4868  df-br 5105  df-opab 5167  df-mpt 5186  df-id 5546  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-iota 6481  df-fun 6527  df-fv 6533  df-ov 7403  df-sdrg 20856
This theorem is referenced by:  imadrhmcl  20866  subsdrg  33529
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