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Theorem cntzrcl 19541
Description: Reverse closure for elements of the centralizer. (Contributed by Stefan O'Rear, 6-Sep-2015.)
Hypotheses
Ref Expression
cntzrcl.b 𝐵 = (Base‘𝑀)
cntzrcl.z 𝑍 = (Cntz‘𝑀)
Assertion
Ref Expression
cntzrcl (𝑋 ∈ (𝑍‘𝑆) → (𝑀 ∈ V ∧ 𝑆 ⊆ 𝐵))

Proof of Theorem cntzrcl
Dummy variables 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 noel 4283 . . . 4 ¬ 𝑋 ∈ ∅
2 cntzrcl.z . . . . . . . 8 𝑍 = (Cntz‘𝑀)
3 fvprc 6877 . . . . . . . 8 (¬ 𝑀 ∈ V → (Cntz‘𝑀) = ∅)
42, 3eqtrid 2807 . . . . . . 7 (¬ 𝑀 ∈ V → 𝑍 = ∅)
54fveq1d 6887 . . . . . 6 (¬ 𝑀 ∈ V → (𝑍‘𝑆) = (∅‘𝑆))
6 0fv 6926 . . . . . 6 (∅‘𝑆) = ∅
75, 6eqtrdi 2811 . . . . 5 (¬ 𝑀 ∈ V → (𝑍‘𝑆) = ∅)
87eleq2d 2846 . . . 4 (¬ 𝑀 ∈ V → (𝑋 ∈ (𝑍‘𝑆) ↔ 𝑋 ∈ ∅))
91, 8mtbiri 330 . . 3 (¬ 𝑀 ∈ V → ¬ 𝑋 ∈ (𝑍‘𝑆))
109con4i 115 . 2 (𝑋 ∈ (𝑍‘𝑆) → 𝑀 ∈ V)
11 cntzrcl.b . . . . . . . 8 𝐵 = (Base‘𝑀)
12 eqid 2760 . . . . . . . 8 (+g‘𝑀) = (+g‘𝑀)
1311, 12, 2cntzfval 19534 . . . . . . 7 (𝑀 ∈ V → 𝑍 = (𝑥 ∈ 𝒫 𝐵 ↦ {𝑦 ∈ 𝐵 ∣ ∀𝑧 ∈ 𝑥 (𝑦(+g‘𝑀)𝑧) = (𝑧(+g‘𝑀)𝑦)}))
1410, 13syl 18 . . . . . 6 (𝑋 ∈ (𝑍‘𝑆) → 𝑍 = (𝑥 ∈ 𝒫 𝐵 ↦ {𝑦 ∈ 𝐵 ∣ ∀𝑧 ∈ 𝑥 (𝑦(+g‘𝑀)𝑧) = (𝑧(+g‘𝑀)𝑦)}))
1514dmeqd 5886 . . . . 5 (𝑋 ∈ (𝑍‘𝑆) → dom 𝑍 = dom (𝑥 ∈ 𝒫 𝐵 ↦ {𝑦 ∈ 𝐵 ∣ ∀𝑧 ∈ 𝑥 (𝑦(+g‘𝑀)𝑧) = (𝑧(+g‘𝑀)𝑦)}))
16 eqid 2760 . . . . . 6 (𝑥 ∈ 𝒫 𝐵 ↦ {𝑦 ∈ 𝐵 ∣ ∀𝑧 ∈ 𝑥 (𝑦(+g‘𝑀)𝑧) = (𝑧(+g‘𝑀)𝑦)}) = (𝑥 ∈ 𝒫 𝐵 ↦ {𝑦 ∈ 𝐵 ∣ ∀𝑧 ∈ 𝑥 (𝑦(+g‘𝑀)𝑧) = (𝑧(+g‘𝑀)𝑦)})
1716dmmptss 6242 . . . . 5 dom (𝑥 ∈ 𝒫 𝐵 ↦ {𝑦 ∈ 𝐵 ∣ ∀𝑧 ∈ 𝑥 (𝑦(+g‘𝑀)𝑧) = (𝑧(+g‘𝑀)𝑦)}) ⊆ 𝒫 𝐵
1815, 17eqsstrdi 3952 . . . 4 (𝑋 ∈ (𝑍‘𝑆) → dom 𝑍 ⊆ 𝒫 𝐵)
19 elfvdm 6919 . . . 4 (𝑋 ∈ (𝑍‘𝑆) → 𝑆 ∈ dom 𝑍)
2018, 19sseldd 3909 . . 3 (𝑋 ∈ (𝑍‘𝑆) → 𝑆 ∈ 𝒫 𝐵)
2120elpwid 4565 . 2 (𝑋 ∈ (𝑍‘𝑆) → 𝑆 ⊆ 𝐵)
2210, 21jca 521 1 (𝑋 ∈ (𝑍‘𝑆) → (𝑀 ∈ V ∧ 𝑆 ⊆ 𝐵))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ∧ wa 401   = wceq 1569   ∈ wcel 2144  ∀wral 3076  {crab 3412  Vcvv 3450   ⊆ wss 3895  ∅c0 4278  𝒫 cpw 4556   ↦ cmpt 5185  dom cdm 5650  ‘cfv 6538  (class class class)co 7420  Basecbs 17387  +gcplusg 17428  Cntzccntz 19529
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-rep 5231  ax-sep 5248  ax-nul 5259  ax-pow 5326  ax-pr 5390
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-ral 3077  df-rex 3087  df-reu 3366  df-rab 3413  df-v 3452  df-sbc 3739  df-csb 3847  df-ss 3896  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4584  df-pr 4586  df-op 4590  df-uni 4867  df-iun 4952  df-br 5103  df-opab 5167  df-mpt 5186  df-id 5545  df-xp 5656  df-rel 5657  df-cnv 5658  df-co 5659  df-dm 5660  df-rn 5661  df-res 5662  df-ima 5663  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-f1 6543  df-fo 6544  df-f1o 6545  df-fv 6546  df-ov 7423  df-cntz 19531
This theorem is used by:  cntzssv  19542  cntzi  19543  resscntz  19547  cntzmhm  19555  oppgcntz  19578
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