Theorem ramub2 16405

Description: It is sufficient to check the Ramsey property on finite sets of size equal to the upper bound. (Contributed by Mario Carneiro, 23-Apr-2015.)

Hypotheses

Ref	Expression
rami.c	⊢ 𝐶 = (𝑎 ∈ V, 𝑖 ∈ ℕ0 ↦ {𝑏 ∈ 𝒫 𝑎 ∣ (♯‘𝑏) = 𝑖})
rami.m	⊢ (𝜑 → 𝑀 ∈ ℕ0)
rami.r	⊢ (𝜑 → 𝑅 ∈ 𝑉)
rami.f	⊢ (𝜑 → 𝐹:𝑅⟶ℕ0)
ramub2.n	⊢ (𝜑 → 𝑁 ∈ ℕ0)
ramub2.i	⊢ ((𝜑 ∧ ((♯‘𝑠) = 𝑁 ∧ 𝑓:(𝑠𝐶𝑀)⟶𝑅)) → ∃𝑐 ∈ 𝑅 ∃𝑥 ∈ 𝒫 𝑠((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ (◡𝑓 “ {𝑐})))

Assertion

Ref	Expression
ramub2	⊢ (𝜑 → (𝑀 Ramsey 𝐹) ≤ 𝑁)

Distinct variable groups:   𝑓,𝑐,𝑠,𝑥,𝐶   𝜑,𝑐,𝑓,𝑠,𝑥   𝐹,𝑐,𝑓,𝑠,𝑥   𝑎,𝑏,𝑐,𝑓,𝑖,𝑠,𝑥,𝑀   𝑅,𝑐,𝑓,𝑠,𝑥   𝑁,𝑎,𝑐,𝑓,𝑖,𝑠,𝑥   𝑉,𝑐,𝑓,𝑠,𝑥

Allowed substitution hints:   𝜑(𝑖,𝑎,𝑏)   𝐶(𝑖,𝑎,𝑏)   𝑅(𝑖,𝑎,𝑏)   𝐹(𝑖,𝑎,𝑏)   𝑁(𝑏)   𝑉(𝑖,𝑎,𝑏)

Proof of Theorem ramub2

Dummy variables 𝑔 𝑡 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		rami.c	. 2 ⊢ 𝐶 = (𝑎 ∈ V, 𝑖 ∈ ℕ0 ↦ {𝑏 ∈ 𝒫 𝑎 ∣ (♯‘𝑏) = 𝑖})
2		rami.m	. 2 ⊢ (𝜑 → 𝑀 ∈ ℕ0)
3		rami.r	. 2 ⊢ (𝜑 → 𝑅 ∈ 𝑉)
4		rami.f	. 2 ⊢ (𝜑 → 𝐹:𝑅⟶ℕ0)
5		ramub2.n	. 2 ⊢ (𝜑 → 𝑁 ∈ ℕ0)
6	5	adantr 484	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → 𝑁 ∈ ℕ0)
7		hashfz1 13756	. . . . . . 7 ⊢ (𝑁 ∈ ℕ0 → (♯‘(1...𝑁)) = 𝑁)
8	6, 7	syl 17	. . . . . 6 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → (♯‘(1...𝑁)) = 𝑁)
9		simprl 770	. . . . . 6 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → 𝑁 ≤ (♯‘𝑡))
10	8, 9	eqbrtrd 5054	. . . . 5 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → (♯‘(1...𝑁)) ≤ (♯‘𝑡))
11		fzfid 13390	. . . . . 6 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → (1...𝑁) ∈ Fin)
12		vex 3413	. . . . . 6 ⊢ 𝑡 ∈ V
13		hashdom 13790	. . . . . 6 ⊢ (((1...𝑁) ∈ Fin ∧ 𝑡 ∈ V) → ((♯‘(1...𝑁)) ≤ (♯‘𝑡) ↔ (1...𝑁) ≼ 𝑡))
14	11, 12, 13	sylancl 589	. . . . 5 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → ((♯‘(1...𝑁)) ≤ (♯‘𝑡) ↔ (1...𝑁) ≼ 𝑡))
15	10, 14	mpbid 235	. . . 4 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → (1...𝑁) ≼ 𝑡)
16	12	domen 8540	. . . 4 ⊢ ((1...𝑁) ≼ 𝑡 ↔ ∃𝑠((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡))
17	15, 16	sylib 221	. . 3 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → ∃𝑠((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡))
18		simpll 766	. . . . 5 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → 𝜑)
19		ensym 8576	. . . . . . . 8 ⊢ ((1...𝑁) ≈ 𝑠 → 𝑠 ≈ (1...𝑁))
20	19	ad2antrl 727	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → 𝑠 ≈ (1...𝑁))
21		hasheni 13758	. . . . . . 7 ⊢ (𝑠 ≈ (1...𝑁) → (♯‘𝑠) = (♯‘(1...𝑁)))
22	20, 21	syl 17	. . . . . 6 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → (♯‘𝑠) = (♯‘(1...𝑁)))
23	5	ad2antrr 725	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → 𝑁 ∈ ℕ0)
24	23, 7	syl 17	. . . . . 6 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → (♯‘(1...𝑁)) = 𝑁)
25	22, 24	eqtrd 2793	. . . . 5 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → (♯‘𝑠) = 𝑁)
26		simplrr 777	. . . . . 6 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → 𝑔:(𝑡𝐶𝑀)⟶𝑅)
27		simprr 772	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → 𝑠 ⊆ 𝑡)
28	2	ad2antrr 725	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → 𝑀 ∈ ℕ0)
29	1	hashbcss 16395	. . . . . . 7 ⊢ ((𝑡 ∈ V ∧ 𝑠 ⊆ 𝑡 ∧ 𝑀 ∈ ℕ0) → (𝑠𝐶𝑀) ⊆ (𝑡𝐶𝑀))
30	12, 27, 28, 29	mp3an2i 1463	. . . . . 6 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → (𝑠𝐶𝑀) ⊆ (𝑡𝐶𝑀))
31	26, 30	fssresd 6530	. . . . 5 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → (𝑔 ↾ (𝑠𝐶𝑀)):(𝑠𝐶𝑀)⟶𝑅)
32		vex 3413	. . . . . . 7 ⊢ 𝑔 ∈ V
33	32	resex 5871	. . . . . 6 ⊢ (𝑔 ↾ (𝑠𝐶𝑀)) ∈ V
34		feq1 6479	. . . . . . . . 9 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → (𝑓:(𝑠𝐶𝑀)⟶𝑅 ↔ (𝑔 ↾ (𝑠𝐶𝑀)):(𝑠𝐶𝑀)⟶𝑅))
35	34	anbi2d 631	. . . . . . . 8 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → (((♯‘𝑠) = 𝑁 ∧ 𝑓:(𝑠𝐶𝑀)⟶𝑅) ↔ ((♯‘𝑠) = 𝑁 ∧ (𝑔 ↾ (𝑠𝐶𝑀)):(𝑠𝐶𝑀)⟶𝑅)))
36	35	anbi2d 631	. . . . . . 7 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → ((𝜑 ∧ ((♯‘𝑠) = 𝑁 ∧ 𝑓:(𝑠𝐶𝑀)⟶𝑅)) ↔ (𝜑 ∧ ((♯‘𝑠) = 𝑁 ∧ (𝑔 ↾ (𝑠𝐶𝑀)):(𝑠𝐶𝑀)⟶𝑅))))
37		cnveq 5713	. . . . . . . . . . . 12 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → ◡𝑓 = ◡(𝑔 ↾ (𝑠𝐶𝑀)))
38	37	imaeq1d 5900	. . . . . . . . . . 11 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → (◡𝑓 “ {𝑐}) = (◡(𝑔 ↾ (𝑠𝐶𝑀)) “ {𝑐}))
39		cnvresima 6059	. . . . . . . . . . 11 ⊢ (◡(𝑔 ↾ (𝑠𝐶𝑀)) “ {𝑐}) = ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀))
40	38, 39	eqtrdi 2809	. . . . . . . . . 10 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → (◡𝑓 “ {𝑐}) = ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀)))
41	40	sseq2d 3924	. . . . . . . . 9 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → ((𝑥𝐶𝑀) ⊆ (◡𝑓 “ {𝑐}) ↔ (𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀))))
42	41	anbi2d 631	. . . . . . . 8 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → (((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ (◡𝑓 “ {𝑐})) ↔ ((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀)))))
43	42	2rexbidv 3224	. . . . . . 7 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → (∃𝑐 ∈ 𝑅 ∃𝑥 ∈ 𝒫 𝑠((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ (◡𝑓 “ {𝑐})) ↔ ∃𝑐 ∈ 𝑅 ∃𝑥 ∈ 𝒫 𝑠((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀)))))
44	36, 43	imbi12d 348	. . . . . 6 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → (((𝜑 ∧ ((♯‘𝑠) = 𝑁 ∧ 𝑓:(𝑠𝐶𝑀)⟶𝑅)) → ∃𝑐 ∈ 𝑅 ∃𝑥 ∈ 𝒫 𝑠((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ (◡𝑓 “ {𝑐}))) ↔ ((𝜑 ∧ ((♯‘𝑠) = 𝑁 ∧ (𝑔 ↾ (𝑠𝐶𝑀)):(𝑠𝐶𝑀)⟶𝑅)) → ∃𝑐 ∈ 𝑅 ∃𝑥 ∈ 𝒫 𝑠((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀))))))
45		ramub2.i	. . . . . 6 ⊢ ((𝜑 ∧ ((♯‘𝑠) = 𝑁 ∧ 𝑓:(𝑠𝐶𝑀)⟶𝑅)) → ∃𝑐 ∈ 𝑅 ∃𝑥 ∈ 𝒫 𝑠((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ (◡𝑓 “ {𝑐})))
46	33, 44, 45	vtocl 3477	. . . . 5 ⊢ ((𝜑 ∧ ((♯‘𝑠) = 𝑁 ∧ (𝑔 ↾ (𝑠𝐶𝑀)):(𝑠𝐶𝑀)⟶𝑅)) → ∃𝑐 ∈ 𝑅 ∃𝑥 ∈ 𝒫 𝑠((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀))))
47	18, 25, 31, 46	syl12anc 835	. . . 4 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → ∃𝑐 ∈ 𝑅 ∃𝑥 ∈ 𝒫 𝑠((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀))))
48		sstr 3900	. . . . . . . . . 10 ⊢ ((𝑥 ⊆ 𝑠 ∧ 𝑠 ⊆ 𝑡) → 𝑥 ⊆ 𝑡)
49	48	expcom 417	. . . . . . . . 9 ⊢ (𝑠 ⊆ 𝑡 → (𝑥 ⊆ 𝑠 → 𝑥 ⊆ 𝑡))
50	49	ad2antll 728	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → (𝑥 ⊆ 𝑠 → 𝑥 ⊆ 𝑡))
51		velpw 4499	. . . . . . . 8 ⊢ (𝑥 ∈ 𝒫 𝑠 ↔ 𝑥 ⊆ 𝑠)
52		velpw 4499	. . . . . . . 8 ⊢ (𝑥 ∈ 𝒫 𝑡 ↔ 𝑥 ⊆ 𝑡)
53	50, 51, 52	3imtr4g 299	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → (𝑥 ∈ 𝒫 𝑠 → 𝑥 ∈ 𝒫 𝑡))
54		id 22	. . . . . . . . . 10 ⊢ ((𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀)) → (𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀)))
55		inss1 4133	. . . . . . . . . 10 ⊢ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀)) ⊆ (◡𝑔 “ {𝑐})
56	54, 55	sstrdi 3904	. . . . . . . . 9 ⊢ ((𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀)) → (𝑥𝐶𝑀) ⊆ (◡𝑔 “ {𝑐}))
57	56	a1i 11	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → ((𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀)) → (𝑥𝐶𝑀) ⊆ (◡𝑔 “ {𝑐})))
58	57	anim2d 614	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → (((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀))) → ((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ (◡𝑔 “ {𝑐}))))
59	53, 58	anim12d 611	. . . . . 6 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → ((𝑥 ∈ 𝒫 𝑠 ∧ ((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀)))) → (𝑥 ∈ 𝒫 𝑡 ∧ ((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ (◡𝑔 “ {𝑐})))))
60	59	reximdv2 3195	. . . . 5 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → (∃𝑥 ∈ 𝒫 𝑠((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀))) → ∃𝑥 ∈ 𝒫 𝑡((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ (◡𝑔 “ {𝑐}))))
61	60	reximdv 3197	. . . 4 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → (∃𝑐 ∈ 𝑅 ∃𝑥 ∈ 𝒫 𝑠((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀))) → ∃𝑐 ∈ 𝑅 ∃𝑥 ∈ 𝒫 𝑡((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ (◡𝑔 “ {𝑐}))))
62	47, 61	mpd 15	. . 3 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → ∃𝑐 ∈ 𝑅 ∃𝑥 ∈ 𝒫 𝑡((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ (◡𝑔 “ {𝑐})))
63	17, 62	exlimddv 1936	. 2 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → ∃𝑐 ∈ 𝑅 ∃𝑥 ∈ 𝒫 𝑡((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ (◡𝑔 “ {𝑐})))
64	1, 2, 3, 4, 5, 63	ramub 16404	1 ⊢ (𝜑 → (𝑀 Ramsey 𝐹) ≤ 𝑁)

Syntax hints:   → wi 4   ↔ wb 209   ∧ wa 399   = wceq 1538  ∃wex 1781   ∈ wcel 2111  ∃wrex 3071  {crab 3074  Vcvv 3409   ∩ cin 3857   ⊆ wss 3858  𝒫 cpw 4494  {csn 4522   class class class wbr 5032  ^◡ccnv 5523   ↾ cres 5526   “ cima 5527  ⟶wf 6331  ‘cfv 6335  (class class class)co 7150   ∈ cmpo 7152   ≈ cen 8524   ≼ cdom 8525  Fincfn 8527  1c1 10576   ≤ cle 10714  ℕ₀cn0 11934  ...cfz 12939  ♯chash 13740   Ramsey cram 16390

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2729  ax-rep 5156  ax-sep 5169  ax-nul 5176  ax-pow 5234  ax-pr 5298  ax-un 7459  ax-cnex 10631  ax-resscn 10632  ax-1cn 10633  ax-icn 10634  ax-addcl 10635  ax-addrcl 10636  ax-mulcl 10637  ax-mulrcl 10638  ax-mulcom 10639  ax-addass 10640  ax-mulass 10641  ax-distr 10642  ax-i2m1 10643  ax-1ne0 10644  ax-1rid 10645  ax-rnegex 10646  ax-rrecex 10647  ax-cnre 10648  ax-pre-lttri 10649  ax-pre-lttrn 10650  ax-pre-ltadd 10651  ax-pre-mulgt0 10652

This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3or 1085  df-3an 1086  df-tru 1541  df-fal 1551  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2557  df-eu 2588  df-clab 2736  df-cleq 2750  df-clel 2830  df-nfc 2901  df-ne 2952  df-nel 3056  df-ral 3075  df-rex 3076  df-reu 3077  df-rmo 3078  df-rab 3079  df-v 3411  df-sbc 3697  df-csb 3806  df-dif 3861  df-un 3863  df-in 3865  df-ss 3875  df-pss 3877  df-nul 4226  df-if 4421  df-pw 4496  df-sn 4523  df-pr 4525  df-tp 4527  df-op 4529  df-uni 4799  df-int 4839  df-iun 4885  df-br 5033  df-opab 5095  df-mpt 5113  df-tr 5139  df-id 5430  df-eprel 5435  df-po 5443  df-so 5444  df-fr 5483  df-we 5485  df-xp 5530  df-rel 5531  df-cnv 5532  df-co 5533  df-dm 5534  df-rn 5535  df-res 5536  df-ima 5537  df-pred 6126  df-ord 6172  df-on 6173  df-lim 6174  df-suc 6175  df-iota 6294  df-fun 6337  df-fn 6338  df-f 6339  df-f1 6340  df-fo 6341  df-f1o 6342  df-fv 6343  df-riota 7108  df-ov 7153  df-oprab 7154  df-mpo 7155  df-om 7580  df-1st 7693  df-2nd 7694  df-wrecs 7957  df-recs 8018  df-rdg 8056  df-oadd 8116  df-er 8299  df-map 8418  df-en 8528  df-dom 8529  df-sdom 8530  df-fin 8531  df-sup 8939  df-inf 8940  df-card 9401  df-pnf 10715  df-mnf 10716  df-xr 10717  df-ltxr 10718  df-le 10719  df-sub 10910  df-neg 10911  df-nn 11675  df-n0 11935  df-xnn0 12007  df-z 12021  df-uz 12283  df-fz 12940  df-hash 13741  df-ram 16392

This theorem is referenced by:  ramub1  16419