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Theorem cntzidss 19380
Description: If the elements of 𝑆 commute, the elements of a subset 𝑇 also commute. (Contributed by Mario Carneiro, 25-Apr-2016.)
Hypothesis
Ref Expression
cntzmhm.z 𝑍 = (Cntz‘𝐺)
Assertion
Ref Expression
cntzidss ((𝑆 ⊆ (𝑍𝑆) ∧ 𝑇𝑆) → 𝑇 ⊆ (𝑍𝑇))

Proof of Theorem cntzidss
StepHypRef Expression
1 simpr 484 . 2 ((𝑆 ⊆ (𝑍𝑆) ∧ 𝑇𝑆) → 𝑇𝑆)
2 simpl 482 . . 3 ((𝑆 ⊆ (𝑍𝑆) ∧ 𝑇𝑆) → 𝑆 ⊆ (𝑍𝑆))
3 eqid 2737 . . . . . 6 (Base‘𝐺) = (Base‘𝐺)
4 cntzmhm.z . . . . . 6 𝑍 = (Cntz‘𝐺)
53, 4cntzssv 19368 . . . . 5 (𝑍𝑆) ⊆ (Base‘𝐺)
62, 5sstrdi 4011 . . . 4 ((𝑆 ⊆ (𝑍𝑆) ∧ 𝑇𝑆) → 𝑆 ⊆ (Base‘𝐺))
73, 4cntz2ss 19375 . . . 4 ((𝑆 ⊆ (Base‘𝐺) ∧ 𝑇𝑆) → (𝑍𝑆) ⊆ (𝑍𝑇))
86, 7sylancom 588 . . 3 ((𝑆 ⊆ (𝑍𝑆) ∧ 𝑇𝑆) → (𝑍𝑆) ⊆ (𝑍𝑇))
92, 8sstrd 4009 . 2 ((𝑆 ⊆ (𝑍𝑆) ∧ 𝑇𝑆) → 𝑆 ⊆ (𝑍𝑇))
101, 9sstrd 4009 1 ((𝑆 ⊆ (𝑍𝑆) ∧ 𝑇𝑆) → 𝑇 ⊆ (𝑍𝑇))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395   = wceq 1539  wss 3966  cfv 6569  Basecbs 17254  Cntzccntz 19355
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1794  ax-4 1808  ax-5 1910  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2157  ax-12 2177  ax-ext 2708  ax-rep 5288  ax-sep 5305  ax-nul 5315  ax-pow 5374  ax-pr 5441
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1542  df-fal 1552  df-ex 1779  df-nf 1783  df-sb 2065  df-mo 2540  df-eu 2569  df-clab 2715  df-cleq 2729  df-clel 2816  df-nfc 2892  df-ne 2941  df-ral 3062  df-rex 3071  df-reu 3381  df-rab 3437  df-v 3483  df-sbc 3795  df-csb 3912  df-dif 3969  df-un 3971  df-in 3973  df-ss 3983  df-nul 4343  df-if 4535  df-pw 4610  df-sn 4635  df-pr 4637  df-op 4641  df-uni 4916  df-iun 5001  df-br 5152  df-opab 5214  df-mpt 5235  df-id 5587  df-xp 5699  df-rel 5700  df-cnv 5701  df-co 5702  df-dm 5703  df-rn 5704  df-res 5705  df-ima 5706  df-iota 6522  df-fun 6571  df-fn 6572  df-f 6573  df-f1 6574  df-fo 6575  df-f1o 6576  df-fv 6577  df-ov 7441  df-cntz 19357
This theorem is referenced by:  gsumzres  19951  gsumzf1o  19954  gsumzaddlem  19963  gsumzadd  19964  gsumzsplit  19969  gsumconst  19976  gsumpt  20004  dprdfadd  20064
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