Theorem iunrelexpmin1 43697

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 7402	. . . . 5 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) ∧ 𝑟 = 𝑅) → (𝑟↑𝑟𝑛) = (𝑅↑𝑟𝑛))
5	2, 4	iuneq12d 4985	. . . 4 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) ∧ 𝑟 = 𝑅) → ∪ 𝑛 ∈ 𝑁 (𝑟↑𝑟𝑛) = ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛))
6		elex 3468	. . . . 5 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ∈ V)
7	6	adantr 480	. . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → 𝑅 ∈ V)
8		nnex 12192	. . . . . 6 ⊢ ℕ ∈ V
9		ovex 7420	. . . . . 6 ⊢ (𝑅↑𝑟𝑛) ∈ V
10	8, 9	iunex 7947	. . . . 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 6976	. . 3 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → (𝐶‘𝑅) = ∪ 𝑛 ∈ ℕ (𝑅↑𝑟𝑛))
13		relexp1g 14992	. . . . . . . 8 ⊢ (𝑅 ∈ 𝑉 → (𝑅↑𝑟1) = 𝑅)
14	13	sseq1d 3978	. . . . . . 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 7395	. . . . . . . . . . . . 13 ⊢ (𝑥 = 1 → (𝑅↑𝑟𝑥) = (𝑅↑𝑟1))
17	16	sseq1d 3978	. . . . . . . . . . . 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 7395	. . . . . . . . . . . . 13 ⊢ (𝑥 = 𝑦 → (𝑅↑𝑟𝑥) = (𝑅↑𝑟𝑦))
20	19	sseq1d 3978	. . . . . . . . . . . 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 7395	. . . . . . . . . . . . 13 ⊢ (𝑥 = (𝑦 + 1) → (𝑅↑𝑟𝑥) = (𝑅↑𝑟(𝑦 + 1)))
23	22	sseq1d 3978	. . . . . . . . . . . 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 7395	. . . . . . . . . . . . 13 ⊢ (𝑥 = 𝑛 → (𝑅↑𝑟𝑥) = (𝑅↑𝑟𝑛))
26	25	sseq1d 3978	. . . . . . . . . . . 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 12197	. . . . . . . . . . . . . . . 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 1200	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → 𝑅 ∈ 𝑉)
33		relexpaddnn 15017	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ 1 ∈ ℕ ∧ 𝑅 ∈ 𝑉) → ((𝑅↑𝑟𝑦) ∘ (𝑅↑𝑟1)) = (𝑅↑𝑟(𝑦 + 1)))
34	29, 31, 32, 33	syl3anc 1373	. . . . . . . . . . . . . 14 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → ((𝑅↑𝑟𝑦) ∘ (𝑅↑𝑟1)) = (𝑅↑𝑟(𝑦 + 1)))
35		simp2rr 1244	. . . . . . . . . . . . . . 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 1243	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → (𝑅↑𝑟1) ⊆ 𝑠)
38	35, 36, 37	trrelssd 14939	. . . . . . . . . . . . . 14 ⊢ ((𝑦 ∈ ℕ ∧ (𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) ∧ (𝑅↑𝑟𝑦) ⊆ 𝑠) → ((𝑅↑𝑟𝑦) ∘ (𝑅↑𝑟1)) ⊆ 𝑠)
39	34, 38	eqsstrrd 3982	. . . . . . . . . . . . 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 12204	. . . . . . . . . 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 3124	. . . . . . . 8 ⊢ ((𝑅 ∈ 𝑉 ∧ ((𝑅↑𝑟1) ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠)) → ∀𝑛 ∈ ℕ (𝑅↑𝑟𝑛) ⊆ 𝑠)
45		iunss 5009	. . . . . . . 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 3972	. . . . 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 1927	1 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑁 = ℕ) → ∀𝑠((𝑅 ⊆ 𝑠 ∧ (𝑠 ∘ 𝑠) ⊆ 𝑠) → (𝐶‘𝑅) ⊆ 𝑠))

Syntax hints:   → wi 4   ∧ wa 395   ∧ w3a 1086  ∀wal 1538   = wceq 1540   ∈ wcel 2109  ∀wral 3044  Vcvv 3447   ⊆ wss 3914  ∪ ciun 4955   ↦ cmpt 5188   ∘ ccom 5642  ‘cfv 6511  (class class class)co 7387  1c1 11069   + caddc 11071  ℕcn 12186  ↑_𝑟crelexp 14985

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5234  ax-sep 5251  ax-nul 5261  ax-pow 5320  ax-pr 5387  ax-un 7711  ax-cnex 11124  ax-resscn 11125  ax-1cn 11126  ax-icn 11127  ax-addcl 11128  ax-addrcl 11129  ax-mulcl 11130  ax-mulrcl 11131  ax-mulcom 11132  ax-addass 11133  ax-mulass 11134  ax-distr 11135  ax-i2m1 11136  ax-1ne0 11137  ax-1rid 11138  ax-rnegex 11139  ax-rrecex 11140  ax-cnre 11141  ax-pre-lttri 11142  ax-pre-lttrn 11143  ax-pre-ltadd 11144  ax-pre-mulgt0 11145

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-nel 3030  df-ral 3045  df-rex 3054  df-reu 3355  df-rab 3406  df-v 3449  df-sbc 3754  df-csb 3863  df-dif 3917  df-un 3919  df-in 3921  df-ss 3931  df-pss 3934  df-nul 4297  df-if 4489  df-pw 4565  df-sn 4590  df-pr 4592  df-op 4596  df-uni 4872  df-iun 4957  df-br 5108  df-opab 5170  df-mpt 5189  df-tr 5215  df-id 5533  df-eprel 5538  df-po 5546  df-so 5547  df-fr 5591  df-we 5593  df-xp 5644  df-rel 5645  df-cnv 5646  df-co 5647  df-dm 5648  df-rn 5649  df-res 5650  df-ima 5651  df-pred 6274  df-ord 6335  df-on 6336  df-lim 6337  df-suc 6338  df-iota 6464  df-fun 6513  df-fn 6514  df-f 6515  df-f1 6516  df-fo 6517  df-f1o 6518  df-fv 6519  df-riota 7344  df-ov 7390  df-oprab 7391  df-mpo 7392  df-om 7843  df-2nd 7969  df-frecs 8260  df-wrecs 8291  df-recs 8340  df-rdg 8378  df-er 8671  df-en 8919  df-dom 8920  df-sdom 8921  df-pnf 11210  df-mnf 11211  df-xr 11212  df-ltxr 11213  df-le 11214  df-sub 11407  df-neg 11408  df-nn 12187  df-n0 12443  df-z 12530  df-uz 12794  df-seq 13967  df-relexp 14986

This theorem is referenced by:  dftrcl3  43709