Theorem xpsval 13649

Description: Value of the binary structure product function. (Contributed by Mario Carneiro, 14-Aug-2015.) (Revised by Jim Kingdon, 25-Sep-2023.)

Hypotheses

Ref	Expression
xpsval.t	⊢ 𝑇 = (𝑅 ×s 𝑆)
xpsval.x	⊢ 𝑋 = (Base‘𝑅)
xpsval.y	⊢ 𝑌 = (Base‘𝑆)
xpsval.1	⊢ (𝜑 → 𝑅 ∈ 𝑉)
xpsval.2	⊢ (𝜑 → 𝑆 ∈ 𝑊)
xpsval.f	⊢ 𝐹 = (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑌 ↦ {⟨∅, 𝑥⟩, ⟨1o, 𝑦⟩})
xpsval.k	⊢ 𝐺 = (Scalar‘𝑅)
xpsval.u	⊢ 𝑈 = (𝐺Xs{⟨∅, 𝑅⟩, ⟨1o, 𝑆⟩})

Assertion

Ref	Expression
xpsval	⊢ (𝜑 → 𝑇 = (◡𝐹 “s 𝑈))

Distinct variable groups:   𝑥,𝑦   𝑥,𝑊   𝑥,𝑋,𝑦   𝑥,𝑅   𝑥,𝑌,𝑦

Allowed substitution hints:   𝜑(𝑥,𝑦)   𝑅(𝑦)   𝑆(𝑥,𝑦)   𝑇(𝑥,𝑦)   𝑈(𝑥,𝑦)   𝐹(𝑥,𝑦)   𝐺(𝑥,𝑦)   𝑉(𝑥,𝑦)   𝑊(𝑦)

Proof of Theorem xpsval

Dummy variables 𝑠 𝑟 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		xpsval.t	. 2 ⊢ 𝑇 = (𝑅 ×s 𝑆)
2		xpsval.1	. . . 4 ⊢ (𝜑 → 𝑅 ∈ 𝑉)
3	2	elexd 2829	. . 3 ⊢ (𝜑 → 𝑅 ∈ V)
4		xpsval.2	. . . 4 ⊢ (𝜑 → 𝑆 ∈ 𝑊)
5	4	elexd 2829	. . 3 ⊢ (𝜑 → 𝑆 ∈ V)
6		xpsval.x	. . . . . . 7 ⊢ 𝑋 = (Base‘𝑅)
7		basfn 13355	. . . . . . . 8 ⊢ Base Fn V
8		funfvex 5692	. . . . . . . . 9 ⊢ ((Fun Base ∧ 𝑅 ∈ dom Base) → (Base‘𝑅) ∈ V)
9	8	funfni 5463	. . . . . . . 8 ⊢ ((Base Fn V ∧ 𝑅 ∈ V) → (Base‘𝑅) ∈ V)
10	7, 3, 9	sylancr 414	. . . . . . 7 ⊢ (𝜑 → (Base‘𝑅) ∈ V)
11	6, 10	eqeltrid 2321	. . . . . 6 ⊢ (𝜑 → 𝑋 ∈ V)
12		xpsval.y	. . . . . . 7 ⊢ 𝑌 = (Base‘𝑆)
13		funfvex 5692	. . . . . . . . 9 ⊢ ((Fun Base ∧ 𝑆 ∈ dom Base) → (Base‘𝑆) ∈ V)
14	13	funfni 5463	. . . . . . . 8 ⊢ ((Base Fn V ∧ 𝑆 ∈ V) → (Base‘𝑆) ∈ V)
15	7, 5, 14	sylancr 414	. . . . . . 7 ⊢ (𝜑 → (Base‘𝑆) ∈ V)
16	12, 15	eqeltrid 2321	. . . . . 6 ⊢ (𝜑 → 𝑌 ∈ V)
17		xpsval.f	. . . . . . 7 ⊢ 𝐹 = (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑌 ↦ {⟨∅, 𝑥⟩, ⟨1o, 𝑦⟩})
18	17	mpoexg 6420	. . . . . 6 ⊢ ((𝑋 ∈ V ∧ 𝑌 ∈ V) → 𝐹 ∈ V)
19	11, 16, 18	syl2anc 411	. . . . 5 ⊢ (𝜑 → 𝐹 ∈ V)
20		cnvexg 5305	. . . . 5 ⊢ (𝐹 ∈ V → ◡𝐹 ∈ V)
21	19, 20	syl 14	. . . 4 ⊢ (𝜑 → ◡𝐹 ∈ V)
22		xpsval.u	. . . . 5 ⊢ 𝑈 = (𝐺Xs{⟨∅, 𝑅⟩, ⟨1o, 𝑆⟩})
23		xpsval.k	. . . . . . 7 ⊢ 𝐺 = (Scalar‘𝑅)
24		scaslid 13450	. . . . . . . . 9 ⊢ (Scalar = Slot (Scalar‘ndx) ∧ (Scalar‘ndx) ∈ ℕ)
25	24	slotex 13323	. . . . . . . 8 ⊢ (𝑅 ∈ 𝑉 → (Scalar‘𝑅) ∈ V)
26	2, 25	syl 14	. . . . . . 7 ⊢ (𝜑 → (Scalar‘𝑅) ∈ V)
27	23, 26	eqeltrid 2321	. . . . . 6 ⊢ (𝜑 → 𝐺 ∈ V)
28		0lt2o 6687	. . . . . . . 8 ⊢ ∅ ∈ 2o
29		opexg 4349	. . . . . . . 8 ⊢ ((∅ ∈ 2o ∧ 𝑅 ∈ 𝑉) → ⟨∅, 𝑅⟩ ∈ V)
30	28, 2, 29	sylancr 414	. . . . . . 7 ⊢ (𝜑 → ⟨∅, 𝑅⟩ ∈ V)
31		1lt2o 6688	. . . . . . . 8 ⊢ 1o ∈ 2o
32		opexg 4349	. . . . . . . 8 ⊢ ((1o ∈ 2o ∧ 𝑆 ∈ 𝑊) → ⟨1o, 𝑆⟩ ∈ V)
33	31, 4, 32	sylancr 414	. . . . . . 7 ⊢ (𝜑 → ⟨1o, 𝑆⟩ ∈ V)
34		prexg 4330	. . . . . . 7 ⊢ ((⟨∅, 𝑅⟩ ∈ V ∧ ⟨1o, 𝑆⟩ ∈ V) → {⟨∅, 𝑅⟩, ⟨1o, 𝑆⟩} ∈ V)
35	30, 33, 34	syl2anc 411	. . . . . 6 ⊢ (𝜑 → {⟨∅, 𝑅⟩, ⟨1o, 𝑆⟩} ∈ V)
36		prdsex 13566	. . . . . 6 ⊢ ((𝐺 ∈ V ∧ {⟨∅, 𝑅⟩, ⟨1o, 𝑆⟩} ∈ V) → (𝐺Xs{⟨∅, 𝑅⟩, ⟨1o, 𝑆⟩}) ∈ V)
37	27, 35, 36	syl2anc 411	. . . . 5 ⊢ (𝜑 → (𝐺Xs{⟨∅, 𝑅⟩, ⟨1o, 𝑆⟩}) ∈ V)
38	22, 37	eqeltrid 2321	. . . 4 ⊢ (𝜑 → 𝑈 ∈ V)
39		imasex 13602	. . . 4 ⊢ ((◡𝐹 ∈ V ∧ 𝑈 ∈ V) → (◡𝐹 “s 𝑈) ∈ V)
40	21, 38, 39	syl2anc 411	. . 3 ⊢ (𝜑 → (◡𝐹 “s 𝑈) ∈ V)
41		fveq2 5675	. . . . . . . . 9 ⊢ (𝑟 = 𝑅 → (Base‘𝑟) = (Base‘𝑅))
42	41, 6	eqtr4di 2285	. . . . . . . 8 ⊢ (𝑟 = 𝑅 → (Base‘𝑟) = 𝑋)
43		fveq2 5675	. . . . . . . . 9 ⊢ (𝑠 = 𝑆 → (Base‘𝑠) = (Base‘𝑆))
44	43, 12	eqtr4di 2285	. . . . . . . 8 ⊢ (𝑠 = 𝑆 → (Base‘𝑠) = 𝑌)
45		mpoeq12 6121	. . . . . . . 8 ⊢ (((Base‘𝑟) = 𝑋 ∧ (Base‘𝑠) = 𝑌) → (𝑥 ∈ (Base‘𝑟), 𝑦 ∈ (Base‘𝑠) ↦ {⟨∅, 𝑥⟩, ⟨1o, 𝑦⟩}) = (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑌 ↦ {⟨∅, 𝑥⟩, ⟨1o, 𝑦⟩}))
46	42, 44, 45	syl2an 289	. . . . . . 7 ⊢ ((𝑟 = 𝑅 ∧ 𝑠 = 𝑆) → (𝑥 ∈ (Base‘𝑟), 𝑦 ∈ (Base‘𝑠) ↦ {⟨∅, 𝑥⟩, ⟨1o, 𝑦⟩}) = (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑌 ↦ {⟨∅, 𝑥⟩, ⟨1o, 𝑦⟩}))
47	46, 17	eqtr4di 2285	. . . . . 6 ⊢ ((𝑟 = 𝑅 ∧ 𝑠 = 𝑆) → (𝑥 ∈ (Base‘𝑟), 𝑦 ∈ (Base‘𝑠) ↦ {⟨∅, 𝑥⟩, ⟨1o, 𝑦⟩}) = 𝐹)
48	47	cnveqd 4936	. . . . 5 ⊢ ((𝑟 = 𝑅 ∧ 𝑠 = 𝑆) → ◡(𝑥 ∈ (Base‘𝑟), 𝑦 ∈ (Base‘𝑠) ↦ {⟨∅, 𝑥⟩, ⟨1o, 𝑦⟩}) = ◡𝐹)
49		fveq2 5675	. . . . . . . . 9 ⊢ (𝑟 = 𝑅 → (Scalar‘𝑟) = (Scalar‘𝑅))
50	49	adantr 276	. . . . . . . 8 ⊢ ((𝑟 = 𝑅 ∧ 𝑠 = 𝑆) → (Scalar‘𝑟) = (Scalar‘𝑅))
51	50, 23	eqtr4di 2285	. . . . . . 7 ⊢ ((𝑟 = 𝑅 ∧ 𝑠 = 𝑆) → (Scalar‘𝑟) = 𝐺)
52		simpl 109	. . . . . . . . 9 ⊢ ((𝑟 = 𝑅 ∧ 𝑠 = 𝑆) → 𝑟 = 𝑅)
53	52	opeq2d 3895	. . . . . . . 8 ⊢ ((𝑟 = 𝑅 ∧ 𝑠 = 𝑆) → ⟨∅, 𝑟⟩ = ⟨∅, 𝑅⟩)
54		simpr 110	. . . . . . . . 9 ⊢ ((𝑟 = 𝑅 ∧ 𝑠 = 𝑆) → 𝑠 = 𝑆)
55	54	opeq2d 3895	. . . . . . . 8 ⊢ ((𝑟 = 𝑅 ∧ 𝑠 = 𝑆) → ⟨1o, 𝑠⟩ = ⟨1o, 𝑆⟩)
56	53, 55	preq12d 3781	. . . . . . 7 ⊢ ((𝑟 = 𝑅 ∧ 𝑠 = 𝑆) → {⟨∅, 𝑟⟩, ⟨1o, 𝑠⟩} = {⟨∅, 𝑅⟩, ⟨1o, 𝑆⟩})
57	51, 56	oveq12d 6076	. . . . . 6 ⊢ ((𝑟 = 𝑅 ∧ 𝑠 = 𝑆) → ((Scalar‘𝑟)Xs{⟨∅, 𝑟⟩, ⟨1o, 𝑠⟩}) = (𝐺Xs{⟨∅, 𝑅⟩, ⟨1o, 𝑆⟩}))
58	57, 22	eqtr4di 2285	. . . . 5 ⊢ ((𝑟 = 𝑅 ∧ 𝑠 = 𝑆) → ((Scalar‘𝑟)Xs{⟨∅, 𝑟⟩, ⟨1o, 𝑠⟩}) = 𝑈)
59	48, 58	oveq12d 6076	. . . 4 ⊢ ((𝑟 = 𝑅 ∧ 𝑠 = 𝑆) → (◡(𝑥 ∈ (Base‘𝑟), 𝑦 ∈ (Base‘𝑠) ↦ {⟨∅, 𝑥⟩, ⟨1o, 𝑦⟩}) “s ((Scalar‘𝑟)Xs{⟨∅, 𝑟⟩, ⟨1o, 𝑠⟩})) = (◡𝐹 “s 𝑈))
60		df-xps 13601	. . . 4 ⊢ ×s = (𝑟 ∈ V, 𝑠 ∈ V ↦ (◡(𝑥 ∈ (Base‘𝑟), 𝑦 ∈ (Base‘𝑠) ↦ {⟨∅, 𝑥⟩, ⟨1o, 𝑦⟩}) “s ((Scalar‘𝑟)Xs{⟨∅, 𝑟⟩, ⟨1o, 𝑠⟩})))
61	59, 60	ovmpoga 6191	. . 3 ⊢ ((𝑅 ∈ V ∧ 𝑆 ∈ V ∧ (◡𝐹 “s 𝑈) ∈ V) → (𝑅 ×s 𝑆) = (◡𝐹 “s 𝑈))
62	3, 5, 40, 61	syl3anc 1274	. 2 ⊢ (𝜑 → (𝑅 ×s 𝑆) = (◡𝐹 “s 𝑈))
63	1, 62	eqtrid 2279	1 ⊢ (𝜑 → 𝑇 = (◡𝐹 “s 𝑈))

Syntax hints:   → wi 4   ∧ wa 104   = wceq 1398   ∈ wcel 2205  Vcvv 2815  ∅c0 3512  {cpr 3695  ⟨cop 3697  ^◡ccnv 4753   Fn wfn 5352  ‘cfv 5357  (class class class)co 6058   ∈ cmpo 6060  1_oc1o 6653  2_oc2o 6654  Basecbs 13296  Scalarcsca 13377  X_scprds 13562   “_s cimas 13596   ×_s cxps 13598

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 2207  ax-14 2208  ax-ext 2216  ax-coll 4230  ax-sep 4233  ax-nul 4241  ax-pow 4292  ax-pr 4327  ax-un 4559  ax-setind 4664  ax-cnex 8234  ax-resscn 8235  ax-1cn 8236  ax-1re 8237  ax-icn 8238  ax-addcl 8239  ax-addrcl 8240  ax-mulcl 8241  ax-addcom 8243  ax-mulcom 8244  ax-addass 8245  ax-mulass 8246  ax-distr 8247  ax-i2m1 8248  ax-1rid 8250  ax-0id 8251  ax-rnegex 8252  ax-cnre 8254

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 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-ral 2527  df-rex 2528  df-reu 2529  df-rab 2531  df-v 2817  df-sbc 3046  df-csb 3142  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-nul 3513  df-pw 3676  df-sn 3700  df-pr 3701  df-tp 3702  df-op 3703  df-uni 3920  df-int 3955  df-iun 3998  df-br 4115  df-opab 4177  df-mpt 4178  df-tr 4214  df-id 4419  df-iord 4492  df-on 4494  df-suc 4497  df-xp 4760  df-rel 4761  df-cnv 4762  df-co 4763  df-dm 4764  df-rn 4765  df-res 4766  df-ima 4767  df-iota 5317  df-fun 5359  df-fn 5360  df-f 5361  df-f1 5362  df-fo 5363  df-f1o 5364  df-fv 5365  df-riota 6011  df-ov 6061  df-oprab 6062  df-mpo 6063  df-1st 6347  df-2nd 6348  df-1o 6660  df-2o 6661  df-map 6897  df-ixp 6947  df-sup 7288  df-sub 8462  df-inn 9255  df-2 9313  df-3 9314  df-4 9315  df-5 9316  df-6 9317  df-7 9318  df-8 9319  df-9 9320  df-n0 9514  df-dec 9728  df-ndx 13299  df-slot 13300  df-base 13302  df-plusg 13387  df-mulr 13388  df-sca 13390  df-vsca 13391  df-ip 13392  df-tset 13393  df-ple 13394  df-ds 13396  df-hom 13398  df-cco 13399  df-rest 13538  df-topn 13539  df-topgen 13557  df-pt 13558  df-prds 13564  df-iimas 13599  df-xps 13601

This theorem is referenced by: (None)