Theorem iunrelexpmin1 41269

Description: The indexed union of relation exponentiation over the natural numbers is the minimum transitive relation that includes the relation. (Contributed by RP, 4-Jun-2020.)

Hypothesis

Ref	Expression
iunrelexpmin1.def	⊢ 𝐶 = (𝑟 ∈ V ↦ ∪ 𝑛 ∈ 𝑁 (𝑟↑𝑟𝑛))

Assertion

Ref	Expression
iunrelexpmin1	⊢ ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → ∀𝑠((𝑅 ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠) → (𝐶‘𝑅) ⊆ 𝑠))

Distinct variable groups:   𝑛,𝑟,𝐶,𝑁   𝑁,𝑠   𝑅,𝑛,𝑟   𝑅,𝑠   𝑛,𝑉,𝑟   𝑉,𝑠,𝑛

Allowed substitution hint:   𝐶(𝑠)

Proof of Theorem iunrelexpmin1

Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		iunrelexpmin1.def	. . . 4 ⊢ 𝐶 = (𝑟 ∈ V ↦ ∪ 𝑛 ∈ 𝑁 (𝑟↑𝑟𝑛))
2		simplr 765	. . . . 5 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) ∧ 𝑟 = 𝑅) → 𝑁 = ℕ)
3		simpr 484	. . . . . 6 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) ∧ 𝑟 = 𝑅) → 𝑟 = 𝑅)
4	3	oveq1d 7283	. . . . 5 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) ∧ 𝑟 = 𝑅) → (𝑟↑𝑟𝑛) = (𝑅↑𝑟𝑛))
5	2, 4	iuneq12d 4957	. . . 4 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) ∧ 𝑟 = 𝑅) → ∪ 𝑛 ∈ 𝑁 (𝑟↑𝑟𝑛) = ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛))
6		elex 3448	. . . . 5 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ∈ V)
7	6	adantr 480	. . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → 𝑅 ∈ V)
8		nnex 11962	. . . . . 6 ⊢ ℕ ∈ V
9		ovex 7301	. . . . . 6 ⊢ (𝑅↑𝑟𝑛) ∈ V
10	8, 9	iunex 7797	. . . . 5 ⊢ ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ∈ V
11	10	a1i 11	. . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ∈ V)
12	1, 5, 7, 11	fvmptd2 6877	. . 3 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → (𝐶‘𝑅) = ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛))
13		relexp1g 14718	. . . . . . . 8 ⊢ (𝑅 ∈ 𝑉 → (𝑅↑𝑟1) = 𝑅)
14	13	sseq1d 3956	. . . . . . 7 ⊢ (𝑅 ∈ 𝑉 → ((𝑅↑𝑟1) ⊆ 𝑠 ↔ 𝑅 ⊆ 𝑠))
15	14	anbi1d 629	. . . . . 6 ⊢ (𝑅 ∈ 𝑉 → (((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠) ↔ (𝑅 ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)))
16		oveq2 7276	. . . . . . . . . . . . 13 ⊢ (𝑥 = 1 → (𝑅↑𝑟𝑥) = (𝑅↑𝑟1))
17	16	sseq1d 3956	. . . . . . . . . . . 12 ⊢ (𝑥 = 1 → ((𝑅↑𝑟𝑥) ⊆ 𝑠 ↔ (𝑅↑𝑟1) ⊆ 𝑠))
18	17	imbi2d 340	. . . . . . . . . . 11 ⊢ (𝑥 = 1 → (((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑅↑𝑟𝑥) ⊆ 𝑠) ↔ ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑅↑𝑟1) ⊆ 𝑠)))
19		oveq2 7276	. . . . . . . . . . . . 13 ⊢ (𝑥 = 𝑦 → (𝑅↑𝑟𝑥) = (𝑅↑𝑟𝑦))
20	19	sseq1d 3956	. . . . . . . . . . . 12 ⊢ (𝑥 = 𝑦 → ((𝑅↑𝑟𝑥) ⊆ 𝑠 ↔ (𝑅↑𝑟𝑦) ⊆ 𝑠))
21	20	imbi2d 340	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑦 → (((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑅↑𝑟𝑥) ⊆ 𝑠) ↔ ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑅↑𝑟𝑦) ⊆ 𝑠)))
22		oveq2 7276	. . . . . . . . . . . . 13 ⊢ (𝑥 = (𝑦 + 1) → (𝑅↑𝑟𝑥) = (𝑅↑𝑟(𝑦 + 1)))
23	22	sseq1d 3956	. . . . . . . . . . . 12 ⊢ (𝑥 = (𝑦 + 1) → ((𝑅↑𝑟𝑥) ⊆ 𝑠 ↔ (𝑅↑𝑟(𝑦 + 1)) ⊆ 𝑠))
24	23	imbi2d 340	. . . . . . . . . . 11 ⊢ (𝑥 = (𝑦 + 1) → (((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑅↑𝑟𝑥) ⊆ 𝑠) ↔ ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑅↑𝑟(𝑦 + 1)) ⊆ 𝑠)))
25		oveq2 7276	. . . . . . . . . . . . 13 ⊢ (𝑥 = 𝑛 → (𝑅↑𝑟𝑥) = (𝑅↑𝑟𝑛))
26	25	sseq1d 3956	. . . . . . . . . . . 12 ⊢ (𝑥 = 𝑛 → ((𝑅↑𝑟𝑥) ⊆ 𝑠 ↔ (𝑅↑𝑟𝑛) ⊆ 𝑠))
27	26	imbi2d 340	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑛 → (((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑅↑𝑟𝑥) ⊆ 𝑠) ↔ ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑅↑𝑟𝑛) ⊆ 𝑠)))
28		simprl 767	. . . . . . . . . . 11 ⊢ ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑅↑𝑟1) ⊆ 𝑠)
29		simp1 1134	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → 𝑦 ∈ ℕ)
30		1nn 11967	. . . . . . . . . . . . . . . 16 ⊢ 1 ∈ ℕ
31	30	a1i 11	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → 1 ∈ ℕ)
32		simp2l 1197	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → 𝑅 ∈ 𝑉)
33		relexpaddnn 14743	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ 1 ∈ ℕ ∧ 𝑅 ∈ 𝑉) → ((𝑅↑𝑟𝑦) ∘ (𝑅↑𝑟1)) = (𝑅↑𝑟(𝑦 + 1)))
34	29, 31, 32, 33	syl3anc 1369	. . . . . . . . . . . . . 14 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → ((𝑅↑𝑟𝑦) ∘ (𝑅↑𝑟1)) = (𝑅↑𝑟(𝑦 + 1)))
35		simp2rr 1241	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → (𝑠 ∘ 𝑠) ⊆ 𝑠)
36		simp3 1136	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → (𝑅↑𝑟𝑦) ⊆ 𝑠)
37		simp2rl 1240	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → (𝑅↑𝑟1) ⊆ 𝑠)
38	35, 36, 37	trrelssd 14665	. . . . . . . . . . . . . 14 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → ((𝑅↑𝑟𝑦) ∘ (𝑅↑𝑟1)) ⊆ 𝑠)
39	34, 38	eqsstrrd 3964	. . . . . . . . . . . . 13 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → (𝑅↑𝑟(𝑦 + 1)) ⊆ 𝑠)
40	39	3exp 1117	. . . . . . . . . . . 12 ⊢ (𝑦 ∈ ℕ → ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → ((𝑅↑𝑟𝑦) ⊆ 𝑠 → (𝑅↑𝑟(𝑦 + 1)) ⊆ 𝑠)))
41	40	a2d 29	. . . . . . . . . . 11 ⊢ (𝑦 ∈ ℕ → (((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑅↑𝑟𝑦) ⊆ 𝑠) → ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑅↑𝑟(𝑦 + 1)) ⊆ 𝑠)))
42	18, 21, 24, 27, 28, 41	nnind 11974	. . . . . . . . . 10 ⊢ (𝑛 ∈ ℕ → ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑅↑𝑟𝑛) ⊆ 𝑠))
43	42	com12 32	. . . . . . . . 9 ⊢ ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑛 ∈ ℕ → (𝑅↑𝑟𝑛) ⊆ 𝑠))
44	43	ralrimiv 3108	. . . . . . . 8 ⊢ ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → ∀𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ⊆ 𝑠)
45		iunss 4979	. . . . . . . 8 ⊢ (∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ⊆ 𝑠 ↔ ∀𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ⊆ 𝑠)
46	44, 45	sylibr 233	. . . . . . 7 ⊢ ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ⊆ 𝑠)
47	46	ex 412	. . . . . 6 ⊢ (𝑅 ∈ 𝑉 → (((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠) → ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ⊆ 𝑠))
48	15, 47	sylbird 259	. . . . 5 ⊢ (𝑅 ∈ 𝑉 → ((𝑅 ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠) → ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ⊆ 𝑠))
49	48	adantr 480	. . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → ((𝑅 ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠) → ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ⊆ 𝑠))
50		sseq1 3950	. . . . 5 ⊢ ((𝐶‘𝑅) = ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) → ((𝐶‘𝑅) ⊆ 𝑠 ↔ ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ⊆ 𝑠))
51	50	imbi2d 340	. . . 4 ⊢ ((𝐶‘𝑅) = ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) → (((𝑅 ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠) → (𝐶‘𝑅) ⊆ 𝑠) ↔ ((𝑅 ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠) → ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ⊆ 𝑠)))
52	49, 51	syl5ibr 245	. . 3 ⊢ ((𝐶‘𝑅) = ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) → ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → ((𝑅 ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠) → (𝐶‘𝑅) ⊆ 𝑠)))
53	12, 52	mpcom 38	. 2 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → ((𝑅 ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠) → (𝐶‘𝑅) ⊆ 𝑠))
54	53	alrimiv 1933	1 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → ∀𝑠((𝑅 ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠) → (𝐶‘𝑅) ⊆ 𝑠))

Syntax hints:   → wi 4   ∧ wa 395   ∧ w3a 1085  ∀wal 1539   = wceq 1541   ∈ wcel 2109  ∀wral 3065  Vcvv 3430   ⊆ wss 3891  ∪ ciun 4929   ↦ cmpt 5161   ∘ ccom 5592  ‘cfv 6430  (class class class)co 7268  1c1 10856   + caddc 10858  ℕcn 11956  ↑_𝑟crelexp 14711

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1801  ax-4 1815  ax-5 1916  ax-6 1974  ax-7 2014  ax-8 2111  ax-9 2119  ax-10 2140  ax-11 2157  ax-12 2174  ax-ext 2710  ax-rep 5213  ax-sep 5226  ax-nul 5233  ax-pow 5291  ax-pr 5355  ax-un 7579  ax-cnex 10911  ax-resscn 10912  ax-1cn 10913  ax-icn 10914  ax-addcl 10915  ax-addrcl 10916  ax-mulcl 10917  ax-mulrcl 10918  ax-mulcom 10919  ax-addass 10920  ax-mulass 10921  ax-distr 10922  ax-i2m1 10923  ax-1ne0 10924  ax-1rid 10925  ax-rnegex 10926  ax-rrecex 10927  ax-cnre 10928  ax-pre-lttri 10929  ax-pre-lttrn 10930  ax-pre-ltadd 10931  ax-pre-mulgt0 10932

This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3or 1086  df-3an 1087  df-tru 1544  df-fal 1554  df-ex 1786  df-nf 1790  df-sb 2071  df-mo 2541  df-eu 2570  df-clab 2717  df-cleq 2731  df-clel 2817  df-nfc 2890  df-ne 2945  df-nel 3051  df-ral 3070  df-rex 3071  df-reu 3072  df-rab 3074  df-v 3432  df-sbc 3720  df-csb 3837  df-dif 3894  df-un 3896  df-in 3898  df-ss 3908  df-pss 3910  df-nul 4262  df-if 4465  df-pw 4540  df-sn 4567  df-pr 4569  df-tp 4571  df-op 4573  df-uni 4845  df-iun 4931  df-br 5079  df-opab 5141  df-mpt 5162  df-tr 5196  df-id 5488  df-eprel 5494  df-po 5502  df-so 5503  df-fr 5543  df-we 5545  df-xp 5594  df-rel 5595  df-cnv 5596  df-co 5597  df-dm 5598  df-rn 5599  df-res 5600  df-ima 5601  df-pred 6199  df-ord 6266  df-on 6267  df-lim 6268  df-suc 6269  df-iota 6388  df-fun 6432  df-fn 6433  df-f 6434  df-f1 6435  df-fo 6436  df-f1o 6437  df-fv 6438  df-riota 7225  df-ov 7271  df-oprab 7272  df-mpo 7273  df-om 7701  df-2nd 7818  df-frecs 8081  df-wrecs 8112  df-recs 8186  df-rdg 8225  df-er 8472  df-en 8708  df-dom 8709  df-sdom 8710  df-pnf 10995  df-mnf 10996  df-xr 10997  df-ltxr 10998  df-le 10999  df-sub 11190  df-neg 11191  df-nn 11957  df-n0 12217  df-z 12303  df-uz 12565  df-seq 13703  df-relexp 14712

This theorem is referenced by:  dftrcl3  41281