Theorem ixpsnbasval 14786

Description: The value of an infinite Cartesian product of the base of a left module over a ring with a singleton. (Contributed by AV, 3-Dec-2018.)

Assertion

Ref	Expression
ixpsnbasval	⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → X𝑥 ∈ {𝑋} (Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) = {𝑓 ∣ (𝑓 Fn {𝑋} ∧ (𝑓‘𝑋) ∈ (Base‘𝑅))})

Distinct variable groups:   𝑅,𝑓,𝑥   𝑓,𝑉   𝑓,𝑊   𝑓,𝑋,𝑥

Allowed substitution hints:   𝑉(𝑥)   𝑊(𝑥)

Proof of Theorem ixpsnbasval

Step	Hyp	Ref	Expression
1		ixpsnval 6977	. . 3 ⊢ (𝑋 ∈ 𝑊 → X𝑥 ∈ {𝑋} (Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) = {𝑓 ∣ (𝑓 Fn {𝑋} ∧ (𝑓‘𝑋) ∈ ⦋𝑋 / 𝑥⦌(Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)))})
2	1	adantl 277	. 2 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → X𝑥 ∈ {𝑋} (Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) = {𝑓 ∣ (𝑓 Fn {𝑋} ∧ (𝑓‘𝑋) ∈ ⦋𝑋 / 𝑥⦌(Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)))})
3		rlmfn 14773	. . . . . . . . . . . 12 ⊢ ringLMod Fn V
4		elex 2833	. . . . . . . . . . . 12 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ∈ V)
5		funfvex 5710	. . . . . . . . . . . . 13 ⊢ ((Fun ringLMod ∧ 𝑅 ∈ dom ringLMod) → (ringLMod‘𝑅) ∈ V)
6	5	funfni 5481	. . . . . . . . . . . 12 ⊢ ((ringLMod Fn V ∧ 𝑅 ∈ V) → (ringLMod‘𝑅) ∈ V)
7	3, 4, 6	sylancr 418	. . . . . . . . . . 11 ⊢ (𝑅 ∈ 𝑉 → (ringLMod‘𝑅) ∈ V)
8	7	anim1ci 341	. . . . . . . . . 10 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → (𝑋 ∈ 𝑊 ∧ (ringLMod‘𝑅) ∈ V))
9		xpsng 5878	. . . . . . . . . 10 ⊢ ((𝑋 ∈ 𝑊 ∧ (ringLMod‘𝑅) ∈ V) → ({𝑋} × {(ringLMod‘𝑅)}) = {⟨𝑋, (ringLMod‘𝑅)⟩})
10	8, 9	syl 14	. . . . . . . . 9 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → ({𝑋} × {(ringLMod‘𝑅)}) = {⟨𝑋, (ringLMod‘𝑅)⟩})
11	10	fveq1d 5695	. . . . . . . 8 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → (({𝑋} × {(ringLMod‘𝑅)})‘𝑋) = ({⟨𝑋, (ringLMod‘𝑅)⟩}‘𝑋))
12		fvsng 5905	. . . . . . . . 9 ⊢ ((𝑋 ∈ 𝑊 ∧ (ringLMod‘𝑅) ∈ V) → ({⟨𝑋, (ringLMod‘𝑅)⟩}‘𝑋) = (ringLMod‘𝑅))
13	8, 12	syl 14	. . . . . . . 8 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → ({⟨𝑋, (ringLMod‘𝑅)⟩}‘𝑋) = (ringLMod‘𝑅))
14	11, 13	eqtrd 2271	. . . . . . 7 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → (({𝑋} × {(ringLMod‘𝑅)})‘𝑋) = (ringLMod‘𝑅))
15	14	fveq2d 5697	. . . . . 6 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → (Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑋)) = (Base‘(ringLMod‘𝑅)))
16		csbfv2g 5734	. . . . . . . 8 ⊢ (𝑋 ∈ 𝑊 → ⦋𝑋 / 𝑥⦌(Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) = (Base‘⦋𝑋 / 𝑥⦌(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)))
17		csbfvg 5735	. . . . . . . . 9 ⊢ (𝑋 ∈ 𝑊 → ⦋𝑋 / 𝑥⦌(({𝑋} × {(ringLMod‘𝑅)})‘𝑥) = (({𝑋} × {(ringLMod‘𝑅)})‘𝑋))
18	17	fveq2d 5697	. . . . . . . 8 ⊢ (𝑋 ∈ 𝑊 → (Base‘⦋𝑋 / 𝑥⦌(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) = (Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑋)))
19	16, 18	eqtrd 2271	. . . . . . 7 ⊢ (𝑋 ∈ 𝑊 → ⦋𝑋 / 𝑥⦌(Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) = (Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑋)))
20	19	adantl 277	. . . . . 6 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → ⦋𝑋 / 𝑥⦌(Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) = (Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑋)))
21		rlmbasg 14775	. . . . . . 7 ⊢ (𝑅 ∈ 𝑉 → (Base‘𝑅) = (Base‘(ringLMod‘𝑅)))
22	21	adantr 276	. . . . . 6 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → (Base‘𝑅) = (Base‘(ringLMod‘𝑅)))
23	15, 20, 22	3eqtr4d 2281	. . . . 5 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → ⦋𝑋 / 𝑥⦌(Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) = (Base‘𝑅))
24	23	eleq2d 2308	. . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → ((𝑓‘𝑋) ∈ ⦋𝑋 / 𝑥⦌(Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) ↔ (𝑓‘𝑋) ∈ (Base‘𝑅)))
25	24	anbi2d 468	. . 3 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → ((𝑓 Fn {𝑋} ∧ (𝑓‘𝑋) ∈ ⦋𝑋 / 𝑥⦌(Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥))) ↔ (𝑓 Fn {𝑋} ∧ (𝑓‘𝑋) ∈ (Base‘𝑅))))
26	25	abbidv 2358	. 2 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → {𝑓 ∣ (𝑓 Fn {𝑋} ∧ (𝑓‘𝑋) ∈ ⦋𝑋 / 𝑥⦌(Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)))} = {𝑓 ∣ (𝑓 Fn {𝑋} ∧ (𝑓‘𝑋) ∈ (Base‘𝑅))})
27	2, 26	eqtrd 2271	1 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → X𝑥 ∈ {𝑋} (Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) = {𝑓 ∣ (𝑓 Fn {𝑋} ∧ (𝑓‘𝑋) ∈ (Base‘𝑅))})

Syntax hints:   → wi 4   ∧ wa 104   = wceq 1402   ∈ wcel 2209  {cab 2224  Vcvv 2821  ⦋csb 3147  {csn 3708  ⟨cop 3711   × cxp 4770   Fn wfn 5370  ‘cfv 5375  Xcixp 6974  Basecbs 13335  ringLModcrglmod 14754

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-coll 4244  ax-sep 4247  ax-pow 4309  ax-pr 4344  ax-un 4576  ax-setind 4682  ax-cnex 8264  ax-resscn 8265  ax-1cn 8266  ax-1re 8267  ax-icn 8268  ax-addcl 8269  ax-addrcl 8270  ax-mulcl 8271  ax-addcom 8273  ax-addass 8275  ax-i2m1 8278  ax-0lt1 8279  ax-0id 8281  ax-rnegex 8282  ax-pre-ltirr 8285  ax-pre-lttrn 8287  ax-pre-ltadd 8289

This theorem depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-nel 2516  df-ral 2533  df-rex 2534  df-reu 2535  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-pw 3690  df-sn 3714  df-pr 3715  df-op 3717  df-uni 3934  df-int 3969  df-iun 4012  df-br 4129  df-opab 4191  df-mpt 4192  df-id 4436  df-xp 4778  df-rel 4779  df-cnv 4780  df-co 4781  df-dm 4782  df-rn 4783  df-res 4784  df-ima 4785  df-iota 5335  df-fun 5377  df-fn 5378  df-f 5379  df-f1 5380  df-fo 5381  df-f1o 5382  df-fv 5383  df-ov 6082  df-oprab 6083  df-mpo 6084  df-ixp 6975  df-pnf 8356  df-mnf 8357  df-ltxr 8359  df-inn 9288  df-2 9346  df-3 9347  df-4 9348  df-5 9349  df-6 9350  df-7 9351  df-8 9352  df-ndx 13338  df-slot 13339  df-base 13341  df-sets 13342  df-iress 13343  df-mulr 13428  df-sca 13430  df-vsca 13431  df-ip 13432  df-sra 14755  df-rgmod 14756

This theorem is referenced by: (None)