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Theorem sdrgrcl 20757
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 20756 . 2 (𝐴 ∈ (SubDRing‘𝑅) ↔ (𝑅 ∈ DivRing ∧ 𝐴 ∈ (SubRing‘𝑅) ∧ (𝑅s 𝐴) ∈ DivRing))
21simp1bi 1146 1 (𝐴 ∈ (SubDRing‘𝑅) → 𝑅 ∈ DivRing)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2114  cfv 6492  (class class class)co 7360  s cress 17191  SubRingcsubrg 20537  DivRingcdr 20697  SubDRingcsdrg 20754
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-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5231  ax-nul 5241  ax-pr 5370
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-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-rab 3391  df-v 3432  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-nul 4275  df-if 4468  df-pw 4544  df-sn 4569  df-pr 4571  df-op 4575  df-uni 4852  df-br 5087  df-opab 5149  df-mpt 5168  df-id 5519  df-xp 5630  df-rel 5631  df-cnv 5632  df-co 5633  df-dm 5634  df-rn 5635  df-res 5636  df-ima 5637  df-iota 6448  df-fun 6494  df-fv 6500  df-ov 7363  df-sdrg 20755
This theorem is referenced by:  imadrhmcl  20765  subsdrg  33374
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