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Theorem mulgass2 18372
Description: An associative property between group multiple and ring multiplication. (Contributed by Mario Carneiro, 14-Jun-2015.)
Hypotheses
Ref Expression
mulgass2.b 𝐵 = (Base‘𝑅)
mulgass2.m · = (.g𝑅)
mulgass2.t × = (.r𝑅)
Assertion
Ref Expression
mulgass2 ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋𝐵𝑌𝐵)) → ((𝑁 · 𝑋) × 𝑌) = (𝑁 · (𝑋 × 𝑌)))

Proof of Theorem mulgass2
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 oveq1 6533 . . . . . . 7 (𝑥 = 0 → (𝑥 · 𝑋) = (0 · 𝑋))
21oveq1d 6541 . . . . . 6 (𝑥 = 0 → ((𝑥 · 𝑋) × 𝑌) = ((0 · 𝑋) × 𝑌))
3 oveq1 6533 . . . . . 6 (𝑥 = 0 → (𝑥 · (𝑋 × 𝑌)) = (0 · (𝑋 × 𝑌)))
42, 3eqeq12d 2624 . . . . 5 (𝑥 = 0 → (((𝑥 · 𝑋) × 𝑌) = (𝑥 · (𝑋 × 𝑌)) ↔ ((0 · 𝑋) × 𝑌) = (0 · (𝑋 × 𝑌))))
5 oveq1 6533 . . . . . . 7 (𝑥 = 𝑦 → (𝑥 · 𝑋) = (𝑦 · 𝑋))
65oveq1d 6541 . . . . . 6 (𝑥 = 𝑦 → ((𝑥 · 𝑋) × 𝑌) = ((𝑦 · 𝑋) × 𝑌))
7 oveq1 6533 . . . . . 6 (𝑥 = 𝑦 → (𝑥 · (𝑋 × 𝑌)) = (𝑦 · (𝑋 × 𝑌)))
86, 7eqeq12d 2624 . . . . 5 (𝑥 = 𝑦 → (((𝑥 · 𝑋) × 𝑌) = (𝑥 · (𝑋 × 𝑌)) ↔ ((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌))))
9 oveq1 6533 . . . . . . 7 (𝑥 = (𝑦 + 1) → (𝑥 · 𝑋) = ((𝑦 + 1) · 𝑋))
109oveq1d 6541 . . . . . 6 (𝑥 = (𝑦 + 1) → ((𝑥 · 𝑋) × 𝑌) = (((𝑦 + 1) · 𝑋) × 𝑌))
11 oveq1 6533 . . . . . 6 (𝑥 = (𝑦 + 1) → (𝑥 · (𝑋 × 𝑌)) = ((𝑦 + 1) · (𝑋 × 𝑌)))
1210, 11eqeq12d 2624 . . . . 5 (𝑥 = (𝑦 + 1) → (((𝑥 · 𝑋) × 𝑌) = (𝑥 · (𝑋 × 𝑌)) ↔ (((𝑦 + 1) · 𝑋) × 𝑌) = ((𝑦 + 1) · (𝑋 × 𝑌))))
13 oveq1 6533 . . . . . . 7 (𝑥 = -𝑦 → (𝑥 · 𝑋) = (-𝑦 · 𝑋))
1413oveq1d 6541 . . . . . 6 (𝑥 = -𝑦 → ((𝑥 · 𝑋) × 𝑌) = ((-𝑦 · 𝑋) × 𝑌))
15 oveq1 6533 . . . . . 6 (𝑥 = -𝑦 → (𝑥 · (𝑋 × 𝑌)) = (-𝑦 · (𝑋 × 𝑌)))
1614, 15eqeq12d 2624 . . . . 5 (𝑥 = -𝑦 → (((𝑥 · 𝑋) × 𝑌) = (𝑥 · (𝑋 × 𝑌)) ↔ ((-𝑦 · 𝑋) × 𝑌) = (-𝑦 · (𝑋 × 𝑌))))
17 oveq1 6533 . . . . . . 7 (𝑥 = 𝑁 → (𝑥 · 𝑋) = (𝑁 · 𝑋))
1817oveq1d 6541 . . . . . 6 (𝑥 = 𝑁 → ((𝑥 · 𝑋) × 𝑌) = ((𝑁 · 𝑋) × 𝑌))
19 oveq1 6533 . . . . . 6 (𝑥 = 𝑁 → (𝑥 · (𝑋 × 𝑌)) = (𝑁 · (𝑋 × 𝑌)))
2018, 19eqeq12d 2624 . . . . 5 (𝑥 = 𝑁 → (((𝑥 · 𝑋) × 𝑌) = (𝑥 · (𝑋 × 𝑌)) ↔ ((𝑁 · 𝑋) × 𝑌) = (𝑁 · (𝑋 × 𝑌))))
21 mulgass2.b . . . . . . . 8 𝐵 = (Base‘𝑅)
22 mulgass2.t . . . . . . . 8 × = (.r𝑅)
23 eqid 2609 . . . . . . . 8 (0g𝑅) = (0g𝑅)
2421, 22, 23ringlz 18358 . . . . . . 7 ((𝑅 ∈ Ring ∧ 𝑌𝐵) → ((0g𝑅) × 𝑌) = (0g𝑅))
25243adant3 1073 . . . . . 6 ((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) → ((0g𝑅) × 𝑌) = (0g𝑅))
26 simp3 1055 . . . . . . . 8 ((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) → 𝑋𝐵)
27 mulgass2.m . . . . . . . . 9 · = (.g𝑅)
2821, 23, 27mulg0 17317 . . . . . . . 8 (𝑋𝐵 → (0 · 𝑋) = (0g𝑅))
2926, 28syl 17 . . . . . . 7 ((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) → (0 · 𝑋) = (0g𝑅))
3029oveq1d 6541 . . . . . 6 ((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) → ((0 · 𝑋) × 𝑌) = ((0g𝑅) × 𝑌))
3121, 22ringcl 18332 . . . . . . . 8 ((𝑅 ∈ Ring ∧ 𝑋𝐵𝑌𝐵) → (𝑋 × 𝑌) ∈ 𝐵)
32313com23 1262 . . . . . . 7 ((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) → (𝑋 × 𝑌) ∈ 𝐵)
3321, 23, 27mulg0 17317 . . . . . . 7 ((𝑋 × 𝑌) ∈ 𝐵 → (0 · (𝑋 × 𝑌)) = (0g𝑅))
3432, 33syl 17 . . . . . 6 ((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) → (0 · (𝑋 × 𝑌)) = (0g𝑅))
3525, 30, 343eqtr4d 2653 . . . . 5 ((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) → ((0 · 𝑋) × 𝑌) = (0 · (𝑋 × 𝑌)))
36 oveq1 6533 . . . . . . 7 (((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌)) → (((𝑦 · 𝑋) × 𝑌)(+g𝑅)(𝑋 × 𝑌)) = ((𝑦 · (𝑋 × 𝑌))(+g𝑅)(𝑋 × 𝑌)))
37 simpl1 1056 . . . . . . . . . . . 12 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → 𝑅 ∈ Ring)
38 ringgrp 18323 . . . . . . . . . . . 12 (𝑅 ∈ Ring → 𝑅 ∈ Grp)
3937, 38syl 17 . . . . . . . . . . 11 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → 𝑅 ∈ Grp)
40 nn0z 11235 . . . . . . . . . . . 12 (𝑦 ∈ ℕ0𝑦 ∈ ℤ)
4140adantl 480 . . . . . . . . . . 11 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → 𝑦 ∈ ℤ)
4226adantr 479 . . . . . . . . . . 11 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → 𝑋𝐵)
43 eqid 2609 . . . . . . . . . . . 12 (+g𝑅) = (+g𝑅)
4421, 27, 43mulgp1 17345 . . . . . . . . . . 11 ((𝑅 ∈ Grp ∧ 𝑦 ∈ ℤ ∧ 𝑋𝐵) → ((𝑦 + 1) · 𝑋) = ((𝑦 · 𝑋)(+g𝑅)𝑋))
4539, 41, 42, 44syl3anc 1317 . . . . . . . . . 10 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → ((𝑦 + 1) · 𝑋) = ((𝑦 · 𝑋)(+g𝑅)𝑋))
4645oveq1d 6541 . . . . . . . . 9 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → (((𝑦 + 1) · 𝑋) × 𝑌) = (((𝑦 · 𝑋)(+g𝑅)𝑋) × 𝑌))
47383ad2ant1 1074 . . . . . . . . . . . 12 ((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) → 𝑅 ∈ Grp)
4847adantr 479 . . . . . . . . . . 11 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → 𝑅 ∈ Grp)
4921, 27mulgcl 17330 . . . . . . . . . . 11 ((𝑅 ∈ Grp ∧ 𝑦 ∈ ℤ ∧ 𝑋𝐵) → (𝑦 · 𝑋) ∈ 𝐵)
5048, 41, 42, 49syl3anc 1317 . . . . . . . . . 10 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → (𝑦 · 𝑋) ∈ 𝐵)
51 simpl2 1057 . . . . . . . . . 10 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → 𝑌𝐵)
5221, 43, 22ringdir 18338 . . . . . . . . . 10 ((𝑅 ∈ Ring ∧ ((𝑦 · 𝑋) ∈ 𝐵𝑋𝐵𝑌𝐵)) → (((𝑦 · 𝑋)(+g𝑅)𝑋) × 𝑌) = (((𝑦 · 𝑋) × 𝑌)(+g𝑅)(𝑋 × 𝑌)))
5337, 50, 42, 51, 52syl13anc 1319 . . . . . . . . 9 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → (((𝑦 · 𝑋)(+g𝑅)𝑋) × 𝑌) = (((𝑦 · 𝑋) × 𝑌)(+g𝑅)(𝑋 × 𝑌)))
5446, 53eqtrd 2643 . . . . . . . 8 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → (((𝑦 + 1) · 𝑋) × 𝑌) = (((𝑦 · 𝑋) × 𝑌)(+g𝑅)(𝑋 × 𝑌)))
5532adantr 479 . . . . . . . . 9 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → (𝑋 × 𝑌) ∈ 𝐵)
5621, 27, 43mulgp1 17345 . . . . . . . . 9 ((𝑅 ∈ Grp ∧ 𝑦 ∈ ℤ ∧ (𝑋 × 𝑌) ∈ 𝐵) → ((𝑦 + 1) · (𝑋 × 𝑌)) = ((𝑦 · (𝑋 × 𝑌))(+g𝑅)(𝑋 × 𝑌)))
5739, 41, 55, 56syl3anc 1317 . . . . . . . 8 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → ((𝑦 + 1) · (𝑋 × 𝑌)) = ((𝑦 · (𝑋 × 𝑌))(+g𝑅)(𝑋 × 𝑌)))
5854, 57eqeq12d 2624 . . . . . . 7 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → ((((𝑦 + 1) · 𝑋) × 𝑌) = ((𝑦 + 1) · (𝑋 × 𝑌)) ↔ (((𝑦 · 𝑋) × 𝑌)(+g𝑅)(𝑋 × 𝑌)) = ((𝑦 · (𝑋 × 𝑌))(+g𝑅)(𝑋 × 𝑌))))
5936, 58syl5ibr 234 . . . . . 6 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ0) → (((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌)) → (((𝑦 + 1) · 𝑋) × 𝑌) = ((𝑦 + 1) · (𝑋 × 𝑌))))
6059ex 448 . . . . 5 ((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) → (𝑦 ∈ ℕ0 → (((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌)) → (((𝑦 + 1) · 𝑋) × 𝑌) = ((𝑦 + 1) · (𝑋 × 𝑌)))))
61 fveq2 6087 . . . . . . 7 (((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌)) → ((invg𝑅)‘((𝑦 · 𝑋) × 𝑌)) = ((invg𝑅)‘(𝑦 · (𝑋 × 𝑌))))
6247adantr 479 . . . . . . . . . . 11 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → 𝑅 ∈ Grp)
63 nnz 11234 . . . . . . . . . . . 12 (𝑦 ∈ ℕ → 𝑦 ∈ ℤ)
6463adantl 480 . . . . . . . . . . 11 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → 𝑦 ∈ ℤ)
6526adantr 479 . . . . . . . . . . 11 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → 𝑋𝐵)
66 eqid 2609 . . . . . . . . . . . 12 (invg𝑅) = (invg𝑅)
6721, 27, 66mulgneg 17331 . . . . . . . . . . 11 ((𝑅 ∈ Grp ∧ 𝑦 ∈ ℤ ∧ 𝑋𝐵) → (-𝑦 · 𝑋) = ((invg𝑅)‘(𝑦 · 𝑋)))
6862, 64, 65, 67syl3anc 1317 . . . . . . . . . 10 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → (-𝑦 · 𝑋) = ((invg𝑅)‘(𝑦 · 𝑋)))
6968oveq1d 6541 . . . . . . . . 9 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → ((-𝑦 · 𝑋) × 𝑌) = (((invg𝑅)‘(𝑦 · 𝑋)) × 𝑌))
70 simpl1 1056 . . . . . . . . . 10 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → 𝑅 ∈ Ring)
7162, 64, 65, 49syl3anc 1317 . . . . . . . . . 10 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → (𝑦 · 𝑋) ∈ 𝐵)
72 simpl2 1057 . . . . . . . . . 10 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → 𝑌𝐵)
7321, 22, 66, 70, 71, 72ringmneg1 18367 . . . . . . . . 9 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → (((invg𝑅)‘(𝑦 · 𝑋)) × 𝑌) = ((invg𝑅)‘((𝑦 · 𝑋) × 𝑌)))
7469, 73eqtrd 2643 . . . . . . . 8 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → ((-𝑦 · 𝑋) × 𝑌) = ((invg𝑅)‘((𝑦 · 𝑋) × 𝑌)))
7532adantr 479 . . . . . . . . 9 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → (𝑋 × 𝑌) ∈ 𝐵)
7621, 27, 66mulgneg 17331 . . . . . . . . 9 ((𝑅 ∈ Grp ∧ 𝑦 ∈ ℤ ∧ (𝑋 × 𝑌) ∈ 𝐵) → (-𝑦 · (𝑋 × 𝑌)) = ((invg𝑅)‘(𝑦 · (𝑋 × 𝑌))))
7762, 64, 75, 76syl3anc 1317 . . . . . . . 8 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → (-𝑦 · (𝑋 × 𝑌)) = ((invg𝑅)‘(𝑦 · (𝑋 × 𝑌))))
7874, 77eqeq12d 2624 . . . . . . 7 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → (((-𝑦 · 𝑋) × 𝑌) = (-𝑦 · (𝑋 × 𝑌)) ↔ ((invg𝑅)‘((𝑦 · 𝑋) × 𝑌)) = ((invg𝑅)‘(𝑦 · (𝑋 × 𝑌)))))
7961, 78syl5ibr 234 . . . . . 6 (((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) ∧ 𝑦 ∈ ℕ) → (((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌)) → ((-𝑦 · 𝑋) × 𝑌) = (-𝑦 · (𝑋 × 𝑌))))
8079ex 448 . . . . 5 ((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) → (𝑦 ∈ ℕ → (((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌)) → ((-𝑦 · 𝑋) × 𝑌) = (-𝑦 · (𝑋 × 𝑌)))))
814, 8, 12, 16, 20, 35, 60, 80zindd 11312 . . . 4 ((𝑅 ∈ Ring ∧ 𝑌𝐵𝑋𝐵) → (𝑁 ∈ ℤ → ((𝑁 · 𝑋) × 𝑌) = (𝑁 · (𝑋 × 𝑌))))
82813exp 1255 . . 3 (𝑅 ∈ Ring → (𝑌𝐵 → (𝑋𝐵 → (𝑁 ∈ ℤ → ((𝑁 · 𝑋) × 𝑌) = (𝑁 · (𝑋 × 𝑌))))))
8382com24 92 . 2 (𝑅 ∈ Ring → (𝑁 ∈ ℤ → (𝑋𝐵 → (𝑌𝐵 → ((𝑁 · 𝑋) × 𝑌) = (𝑁 · (𝑋 × 𝑌))))))
84833imp2 1273 1 ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋𝐵𝑌𝐵)) → ((𝑁 · 𝑋) × 𝑌) = (𝑁 · (𝑋 × 𝑌)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 382  w3a 1030   = wceq 1474  wcel 1976  cfv 5789  (class class class)co 6526  0cc0 9792  1c1 9793   + caddc 9795  -cneg 10118  cn 10869  0cn0 11141  cz 11212  Basecbs 15643  +gcplusg 15716  .rcmulr 15717  0gc0g 15871  Grpcgrp 17193  invgcminusg 17194  .gcmg 17311  Ringcrg 18318
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1712  ax-4 1727  ax-5 1826  ax-6 1874  ax-7 1921  ax-8 1978  ax-9 1985  ax-10 2005  ax-11 2020  ax-12 2033  ax-13 2233  ax-ext 2589  ax-rep 4693  ax-sep 4703  ax-nul 4711  ax-pow 4763  ax-pr 4827  ax-un 6824  ax-inf2 8398  ax-cnex 9848  ax-resscn 9849  ax-1cn 9850  ax-icn 9851  ax-addcl 9852  ax-addrcl 9853  ax-mulcl 9854  ax-mulrcl 9855  ax-mulcom 9856  ax-addass 9857  ax-mulass 9858  ax-distr 9859  ax-i2m1 9860  ax-1ne0 9861  ax-1rid 9862  ax-rnegex 9863  ax-rrecex 9864  ax-cnre 9865  ax-pre-lttri 9866  ax-pre-lttrn 9867  ax-pre-ltadd 9868  ax-pre-mulgt0 9869
This theorem depends on definitions:  df-bi 195  df-or 383  df-an 384  df-3or 1031  df-3an 1032  df-tru 1477  df-ex 1695  df-nf 1700  df-sb 1867  df-eu 2461  df-mo 2462  df-clab 2596  df-cleq 2602  df-clel 2605  df-nfc 2739  df-ne 2781  df-nel 2782  df-ral 2900  df-rex 2901  df-reu 2902  df-rmo 2903  df-rab 2904  df-v 3174  df-sbc 3402  df-csb 3499  df-dif 3542  df-un 3544  df-in 3546  df-ss 3553  df-pss 3555  df-nul 3874  df-if 4036  df-pw 4109  df-sn 4125  df-pr 4127  df-tp 4129  df-op 4131  df-uni 4367  df-iun 4451  df-br 4578  df-opab 4638  df-mpt 4639  df-tr 4675  df-eprel 4938  df-id 4942  df-po 4948  df-so 4949  df-fr 4986  df-we 4988  df-xp 5033  df-rel 5034  df-cnv 5035  df-co 5036  df-dm 5037  df-rn 5038  df-res 5039  df-ima 5040  df-pred 5582  df-ord 5628  df-on 5629  df-lim 5630  df-suc 5631  df-iota 5753  df-fun 5791  df-fn 5792  df-f 5793  df-f1 5794  df-fo 5795  df-f1o 5796  df-fv 5797  df-riota 6488  df-ov 6529  df-oprab 6530  df-mpt2 6531  df-om 6935  df-1st 7036  df-2nd 7037  df-wrecs 7271  df-recs 7332  df-rdg 7370  df-er 7606  df-en 7819  df-dom 7820  df-sdom 7821  df-pnf 9932  df-mnf 9933  df-xr 9934  df-ltxr 9935  df-le 9936  df-sub 10119  df-neg 10120  df-nn 10870  df-2 10928  df-n0 11142  df-z 11213  df-uz 11522  df-fz 12155  df-seq 12621  df-ndx 15646  df-slot 15647  df-base 15648  df-sets 15649  df-plusg 15729  df-0g 15873  df-mgm 17013  df-sgrp 17055  df-mnd 17066  df-grp 17196  df-minusg 17197  df-mulg 17312  df-mgp 18261  df-ur 18273  df-ring 18320
This theorem is referenced by:  mulgass3  18408  mulgrhm  19612  zlmassa  19638  isarchiofld  28941
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