Theorem ixpsnbasval 14601

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 6935	. . 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 14588	. . . . . . . . . . . 12 ⊢ ringLMod Fn V
4		elex 2824	. . . . . . . . . . . 12 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ∈ V)
5		funfvex 5686	. . . . . . . . . . . . 13 ⊢ ((Fun ringLMod ∧ 𝑅 ∈ dom ringLMod) → (ringLMod‘𝑅) ∈ V)
6	5	funfni 5457	. . . . . . . . . . . 12 ⊢ ((ringLMod Fn V ∧ 𝑅 ∈ V) → (ringLMod‘𝑅) ∈ V)
7	3, 4, 6	sylancr 414	. . . . . . . . . . 11 ⊢ (𝑅 ∈ 𝑉 → (ringLMod‘𝑅) ∈ V)
8	7	anim1ci 341	. . . . . . . . . 10 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → (𝑋 ∈ 𝑊 ∧ (ringLMod‘𝑅) ∈ V))
9		xpsng 5852	. . . . . . . . . 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 5671	. . . . . . . 8 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → (({𝑋} × {(ringLMod‘𝑅)})‘𝑋) = ({⟨𝑋, (ringLMod‘𝑅)⟩}‘𝑋))
12		fvsng 5879	. . . . . . . . 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 2265	. . . . . . 7 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → (({𝑋} × {(ringLMod‘𝑅)})‘𝑋) = (ringLMod‘𝑅))
15	14	fveq2d 5673	. . . . . 6 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → (Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑋)) = (Base‘(ringLMod‘𝑅)))
16		csbfv2g 5710	. . . . . . . 8 ⊢ (𝑋 ∈ 𝑊 → ⦋𝑋 / 𝑥⦌(Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) = (Base‘⦋𝑋 / 𝑥⦌(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)))
17		csbfvg 5711	. . . . . . . . 9 ⊢ (𝑋 ∈ 𝑊 → ⦋𝑋 / 𝑥⦌(({𝑋} × {(ringLMod‘𝑅)})‘𝑥) = (({𝑋} × {(ringLMod‘𝑅)})‘𝑋))
18	17	fveq2d 5673	. . . . . . . 8 ⊢ (𝑋 ∈ 𝑊 → (Base‘⦋𝑋 / 𝑥⦌(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) = (Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑋)))
19	16, 18	eqtrd 2265	. . . . . . 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 14590	. . . . . . 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 2275	. . . . 5 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → ⦋𝑋 / 𝑥⦌(Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) = (Base‘𝑅))
24	23	eleq2d 2302	. . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑋 ∈ 𝑊) → ((𝑓‘𝑋) ∈ ⦋𝑋 / 𝑥⦌(Base‘(({𝑋} × {(ringLMod‘𝑅)})‘𝑥)) ↔ (𝑓‘𝑋) ∈ (Base‘𝑅)))
25	24	anbi2d 464	. . 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 2352	. 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 2265	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 1398   ∈ wcel 2203  {cab 2218  Vcvv 2812  ⦋csb 3137  {csn 3688  ⟨cop 3691   × cxp 4746   Fn wfn 5346  ‘cfv 5351  Xcixp 6932  Basecbs 13201  ringLModcrglmod 14569

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 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2205  ax-14 2206  ax-ext 2214  ax-coll 4224  ax-sep 4227  ax-pow 4286  ax-pr 4321  ax-un 4553  ax-setind 4658  ax-cnex 8214  ax-resscn 8215  ax-1cn 8216  ax-1re 8217  ax-icn 8218  ax-addcl 8219  ax-addrcl 8220  ax-mulcl 8221  ax-addcom 8223  ax-addass 8225  ax-i2m1 8228  ax-0lt1 8229  ax-0id 8231  ax-rnegex 8232  ax-pre-ltirr 8235  ax-pre-lttrn 8237  ax-pre-ltadd 8239

This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ne 2413  df-nel 2508  df-ral 2525  df-rex 2526  df-reu 2527  df-rab 2529  df-v 2814  df-sbc 3042  df-csb 3138  df-dif 3212  df-un 3214  df-in 3216  df-ss 3223  df-nul 3508  df-pw 3670  df-sn 3694  df-pr 3695  df-op 3697  df-uni 3914  df-int 3949  df-iun 3992  df-br 4109  df-opab 4171  df-mpt 4172  df-id 4413  df-xp 4754  df-rel 4755  df-cnv 4756  df-co 4757  df-dm 4758  df-rn 4759  df-res 4760  df-ima 4761  df-iota 5311  df-fun 5353  df-fn 5354  df-f 5355  df-f1 5356  df-fo 5357  df-f1o 5358  df-fv 5359  df-ov 6052  df-oprab 6053  df-mpo 6054  df-ixp 6933  df-pnf 8306  df-mnf 8307  df-ltxr 8309  df-inn 9234  df-2 9292  df-3 9293  df-4 9294  df-5 9295  df-6 9296  df-7 9297  df-8 9298  df-ndx 13204  df-slot 13205  df-base 13207  df-sets 13208  df-iress 13209  df-mulr 13293  df-sca 13295  df-vsca 13296  df-ip 13297  df-sra 14570  df-rgmod 14571

This theorem is referenced by: (None)