Theorem iunrelexpmin1 43683

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 768	. . . . 5 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) ∧ 𝑟 = 𝑅) → 𝑁 = ℕ)
3		simpr 484	. . . . . 6 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) ∧ 𝑟 = 𝑅) → 𝑟 = 𝑅)
4	3	oveq1d 7428	. . . . 5 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) ∧ 𝑟 = 𝑅) → (𝑟↑𝑟𝑛) = (𝑅↑𝑟𝑛))
5	2, 4	iuneq12d 5001	. . . 4 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) ∧ 𝑟 = 𝑅) → ∪ 𝑛 ∈ 𝑁 (𝑟↑𝑟𝑛) = ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛))
6		elex 3484	. . . . 5 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ∈ V)
7	6	adantr 480	. . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → 𝑅 ∈ V)
8		nnex 12254	. . . . . 6 ⊢ ℕ ∈ V
9		ovex 7446	. . . . . 6 ⊢ (𝑅↑𝑟𝑛) ∈ V
10	8, 9	iunex 7975	. . . . 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 7004	. . 3 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → (𝐶‘𝑅) = ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛))
13		relexp1g 15047	. . . . . . . 8 ⊢ (𝑅 ∈ 𝑉 → (𝑅↑𝑟1) = 𝑅)
14	13	sseq1d 3995	. . . . . . 7 ⊢ (𝑅 ∈ 𝑉 → ((𝑅↑𝑟1) ⊆ 𝑠 ↔ 𝑅 ⊆ 𝑠))
15	14	anbi1d 631	. . . . . 6 ⊢ (𝑅 ∈ 𝑉 → (((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠) ↔ (𝑅 ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)))
16		oveq2 7421	. . . . . . . . . . . . 13 ⊢ (𝑥 = 1 → (𝑅↑𝑟𝑥) = (𝑅↑𝑟1))
17	16	sseq1d 3995	. . . . . . . . . . . 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 7421	. . . . . . . . . . . . 13 ⊢ (𝑥 = 𝑦 → (𝑅↑𝑟𝑥) = (𝑅↑𝑟𝑦))
20	19	sseq1d 3995	. . . . . . . . . . . 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 7421	. . . . . . . . . . . . 13 ⊢ (𝑥 = (𝑦 + 1) → (𝑅↑𝑟𝑥) = (𝑅↑𝑟(𝑦 + 1)))
23	22	sseq1d 3995	. . . . . . . . . . . 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 7421	. . . . . . . . . . . . 13 ⊢ (𝑥 = 𝑛 → (𝑅↑𝑟𝑥) = (𝑅↑𝑟𝑛))
26	25	sseq1d 3995	. . . . . . . . . . . 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 770	. . . . . . . . . . 11 ⊢ ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → (𝑅↑𝑟1) ⊆ 𝑠)
29		simp1 1136	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → 𝑦 ∈ ℕ)
30		1nn 12259	. . . . . . . . . . . . . . . 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 1199	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → 𝑅 ∈ 𝑉)
33		relexpaddnn 15072	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ 1 ∈ ℕ ∧ 𝑅 ∈ 𝑉) → ((𝑅↑𝑟𝑦) ∘ (𝑅↑𝑟1)) = (𝑅↑𝑟(𝑦 + 1)))
34	29, 31, 32, 33	syl3anc 1372	. . . . . . . . . . . . . 14 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → ((𝑅↑𝑟𝑦) ∘ (𝑅↑𝑟1)) = (𝑅↑𝑟(𝑦 + 1)))
35		simp2rr 1243	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → (𝑠 ∘ 𝑠) ⊆ 𝑠)
36		simp3 1138	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → (𝑅↑𝑟𝑦) ⊆ 𝑠)
37		simp2rl 1242	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → (𝑅↑𝑟1) ⊆ 𝑠)
38	35, 36, 37	trrelssd 14994	. . . . . . . . . . . . . 14 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → ((𝑅↑𝑟𝑦) ∘ (𝑅↑𝑟1)) ⊆ 𝑠)
39	34, 38	eqsstrrd 3999	. . . . . . . . . . . . 13 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → (𝑅↑𝑟(𝑦 + 1)) ⊆ 𝑠)
40	39	3exp 1119	. . . . . . . . . . . 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 12266	. . . . . . . . . 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 3132	. . . . . . . 8 ⊢ ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → ∀𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ⊆ 𝑠)
45		iunss 5025	. . . . . . . 8 ⊢ (∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ⊆ 𝑠 ↔ ∀𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ⊆ 𝑠)
46	44, 45	sylibr 234	. . . . . . 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 260	. . . . 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 3989	. . . . 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	imbitrrid 246	. . 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 1926	1 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → ∀𝑠((𝑅 ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠) → (𝐶‘𝑅) ⊆ 𝑠))

Syntax hints:   → wi 4   ∧ wa 395   ∧ w3a 1086  ∀wal 1537   = wceq 1539   ∈ wcel 2107  ∀wral 3050  Vcvv 3463   ⊆ wss 3931  ∪ ciun 4971   ↦ cmpt 5205   ∘ ccom 5669  ‘cfv 6541  (class class class)co 7413  1c1 11138   + caddc 11140  ℕcn 12248  ↑_𝑟crelexp 15040

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1794  ax-4 1808  ax-5 1909  ax-6 1966  ax-7 2006  ax-8 2109  ax-9 2117  ax-10 2140  ax-11 2156  ax-12 2176  ax-ext 2706  ax-rep 5259  ax-sep 5276  ax-nul 5286  ax-pow 5345  ax-pr 5412  ax-un 7737  ax-cnex 11193  ax-resscn 11194  ax-1cn 11195  ax-icn 11196  ax-addcl 11197  ax-addrcl 11198  ax-mulcl 11199  ax-mulrcl 11200  ax-mulcom 11201  ax-addass 11202  ax-mulass 11203  ax-distr 11204  ax-i2m1 11205  ax-1ne0 11206  ax-1rid 11207  ax-rnegex 11208  ax-rrecex 11209  ax-cnre 11210  ax-pre-lttri 11211  ax-pre-lttrn 11212  ax-pre-ltadd 11213  ax-pre-mulgt0 11214

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1779  df-nf 1783  df-sb 2064  df-mo 2538  df-eu 2567  df-clab 2713  df-cleq 2726  df-clel 2808  df-nfc 2884  df-ne 2932  df-nel 3036  df-ral 3051  df-rex 3060  df-reu 3364  df-rab 3420  df-v 3465  df-sbc 3771  df-csb 3880  df-dif 3934  df-un 3936  df-in 3938  df-ss 3948  df-pss 3951  df-nul 4314  df-if 4506  df-pw 4582  df-sn 4607  df-pr 4609  df-op 4613  df-uni 4888  df-iun 4973  df-br 5124  df-opab 5186  df-mpt 5206  df-tr 5240  df-id 5558  df-eprel 5564  df-po 5572  df-so 5573  df-fr 5617  df-we 5619  df-xp 5671  df-rel 5672  df-cnv 5673  df-co 5674  df-dm 5675  df-rn 5676  df-res 5677  df-ima 5678  df-pred 6301  df-ord 6366  df-on 6367  df-lim 6368  df-suc 6369  df-iota 6494  df-fun 6543  df-fn 6544  df-f 6545  df-f1 6546  df-fo 6547  df-f1o 6548  df-fv 6549  df-riota 7370  df-ov 7416  df-oprab 7417  df-mpo 7418  df-om 7870  df-2nd 7997  df-frecs 8288  df-wrecs 8319  df-recs 8393  df-rdg 8432  df-er 8727  df-en 8968  df-dom 8969  df-sdom 8970  df-pnf 11279  df-mnf 11280  df-xr 11281  df-ltxr 11282  df-le 11283  df-sub 11476  df-neg 11477  df-nn 12249  df-n0 12510  df-z 12597  df-uz 12861  df-seq 14025  df-relexp 15041

This theorem is referenced by:  dftrcl3  43695