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Theorem sdrgrcl 20548
Description: Reverse closure for a sub-division-ring predicate. (Contributed by SN, 19-Feb-2025.)
Assertion
Ref Expression
sdrgrcl (𝐴 ∈ (SubDRingβ€˜π‘…) β†’ 𝑅 ∈ DivRing)

Proof of Theorem sdrgrcl
StepHypRef Expression
1 issdrg 20547 . 2 (𝐴 ∈ (SubDRingβ€˜π‘…) ↔ (𝑅 ∈ DivRing ∧ 𝐴 ∈ (SubRingβ€˜π‘…) ∧ (𝑅 β†Ύs 𝐴) ∈ DivRing))
21simp1bi 1145 1 (𝐴 ∈ (SubDRingβ€˜π‘…) β†’ 𝑅 ∈ DivRing)
Colors of variables: wff setvar class
Syntax hints:   β†’ wi 4   ∈ wcel 2106  β€˜cfv 6543  (class class class)co 7411   β†Ύs cress 17177  SubRingcsubrg 20457  DivRingcdr 20500  SubDRingcsdrg 20545
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 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2703  ax-sep 5299  ax-nul 5306  ax-pr 5427
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2534  df-eu 2563  df-clab 2710  df-cleq 2724  df-clel 2810  df-nfc 2885  df-ne 2941  df-ral 3062  df-rex 3071  df-rab 3433  df-v 3476  df-dif 3951  df-un 3953  df-in 3955  df-ss 3965  df-nul 4323  df-if 4529  df-sn 4629  df-pr 4631  df-op 4635  df-uni 4909  df-br 5149  df-opab 5211  df-mpt 5232  df-id 5574  df-xp 5682  df-rel 5683  df-cnv 5684  df-co 5685  df-dm 5686  df-rn 5687  df-res 5688  df-ima 5689  df-iota 6495  df-fun 6545  df-fv 6551  df-ov 7414  df-sdrg 20546
This theorem is referenced by:  imadrhmcl  20556
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