Theorem ramub2 16932

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 480	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → 𝑁 ∈ ℕ0)
7		hashfz1 14259	. . . . . . 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 5115	. . . . 5 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → (♯‘(1...𝑁)) ≤ (♯‘𝑡))
11		fzfid 13886	. . . . . 6 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → (1...𝑁) ∈ Fin)
12		vex 3440	. . . . . 6 ⊢ 𝑡 ∈ V
13		hashdom 14292	. . . . . 6 ⊢ (((1...𝑁) ∈ Fin ∧ 𝑡 ∈ V) → ((♯‘(1...𝑁)) ≤ (♯‘𝑡) ↔ (1...𝑁) ≼ 𝑡))
14	11, 12, 13	sylancl 586	. . . . 5 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → ((♯‘(1...𝑁)) ≤ (♯‘𝑡) ↔ (1...𝑁) ≼ 𝑡))
15	10, 14	mpbid 232	. . . 4 ⊢ ((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) → (1...𝑁) ≼ 𝑡)
16	12	domen 8890	. . . 4 ⊢ ((1...𝑁) ≼ 𝑡 ↔ ∃𝑠((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡))
17	15, 16	sylib 218	. . 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 8931	. . . . . . . 8 ⊢ ((1...𝑁) ≈ 𝑠 → 𝑠 ≈ (1...𝑁))
20	19	ad2antrl 728	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → 𝑠 ≈ (1...𝑁))
21		hasheni 14261	. . . . . . 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 726	. . . . . . 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 2766	. . . . 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 726	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → 𝑀 ∈ ℕ0)
29	1	hashbcss 16922	. . . . . . 7 ⊢ ((𝑡 ∈ V ∧ 𝑠 ⊆ 𝑡 ∧ 𝑀 ∈ ℕ0) → (𝑠𝐶𝑀) ⊆ (𝑡𝐶𝑀))
30	12, 27, 28, 29	mp3an2i 1468	. . . . . 6 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → (𝑠𝐶𝑀) ⊆ (𝑡𝐶𝑀))
31	26, 30	fssresd 6696	. . . . 5 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → (𝑔 ↾ (𝑠𝐶𝑀)):(𝑠𝐶𝑀)⟶𝑅)
32		vex 3440	. . . . . . 7 ⊢ 𝑔 ∈ V
33	32	resex 5983	. . . . . 6 ⊢ (𝑔 ↾ (𝑠𝐶𝑀)) ∈ V
34		feq1 6635	. . . . . . . . 9 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → (𝑓:(𝑠𝐶𝑀)⟶𝑅 ↔ (𝑔 ↾ (𝑠𝐶𝑀)):(𝑠𝐶𝑀)⟶𝑅))
35	34	anbi2d 630	. . . . . . . 8 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → (((♯‘𝑠) = 𝑁 ∧ 𝑓:(𝑠𝐶𝑀)⟶𝑅) ↔ ((♯‘𝑠) = 𝑁 ∧ (𝑔 ↾ (𝑠𝐶𝑀)):(𝑠𝐶𝑀)⟶𝑅)))
36	35	anbi2d 630	. . . . . . 7 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → ((𝜑 ∧ ((♯‘𝑠) = 𝑁 ∧ 𝑓:(𝑠𝐶𝑀)⟶𝑅)) ↔ (𝜑 ∧ ((♯‘𝑠) = 𝑁 ∧ (𝑔 ↾ (𝑠𝐶𝑀)):(𝑠𝐶𝑀)⟶𝑅))))
37		cnveq 5818	. . . . . . . . . . . 12 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → ◡𝑓 = ◡(𝑔 ↾ (𝑠𝐶𝑀)))
38	37	imaeq1d 6013	. . . . . . . . . . 11 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → (◡𝑓 “ {𝑐}) = (◡(𝑔 ↾ (𝑠𝐶𝑀)) “ {𝑐}))
39		cnvresima 6183	. . . . . . . . . . 11 ⊢ (◡(𝑔 ↾ (𝑠𝐶𝑀)) “ {𝑐}) = ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀))
40	38, 39	eqtrdi 2782	. . . . . . . . . 10 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → (◡𝑓 “ {𝑐}) = ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀)))
41	40	sseq2d 3962	. . . . . . . . 9 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → ((𝑥𝐶𝑀) ⊆ (◡𝑓 “ {𝑐}) ↔ (𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀))))
42	41	anbi2d 630	. . . . . . . 8 ⊢ (𝑓 = (𝑔 ↾ (𝑠𝐶𝑀)) → (((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ (◡𝑓 “ {𝑐})) ↔ ((𝐹‘𝑐) ≤ (♯‘𝑥) ∧ (𝑥𝐶𝑀) ⊆ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀)))))
43	42	2rexbidv 3197	. . . . . . 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 344	. . . . . 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 3511	. . . . 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 836	. . . 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 3938	. . . . . . . . . 10 ⊢ ((𝑥 ⊆ 𝑠 ∧ 𝑠 ⊆ 𝑡) → 𝑥 ⊆ 𝑡)
49	48	expcom 413	. . . . . . . . 9 ⊢ (𝑠 ⊆ 𝑡 → (𝑥 ⊆ 𝑠 → 𝑥 ⊆ 𝑡))
50	49	ad2antll 729	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑁 ≤ (♯‘𝑡) ∧ 𝑔:(𝑡𝐶𝑀)⟶𝑅)) ∧ ((1...𝑁) ≈ 𝑠 ∧ 𝑠 ⊆ 𝑡)) → (𝑥 ⊆ 𝑠 → 𝑥 ⊆ 𝑡))
51		velpw 4554	. . . . . . . 8 ⊢ (𝑥 ∈ 𝒫 𝑠 ↔ 𝑥 ⊆ 𝑠)
52		velpw 4554	. . . . . . . 8 ⊢ (𝑥 ∈ 𝒫 𝑡 ↔ 𝑥 ⊆ 𝑡)
53	50, 51, 52	3imtr4g 296	. . . . . . 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 4186	. . . . . . . . . 10 ⊢ ((◡𝑔 “ {𝑐}) ∩ (𝑠𝐶𝑀)) ⊆ (◡𝑔 “ {𝑐})
56	54, 55	sstrdi 3942	. . . . . . . . 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 612	. . . . . . 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 609	. . . . . 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 3142	. . . . 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 3147	. . . 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 16931	1 ⊢ (𝜑 → (𝑀 Ramsey 𝐹) ≤ 𝑁)

Syntax hints:   → wi 4   ↔ wb 206   ∧ wa 395   = wceq 1541  ∃wex 1780   ∈ wcel 2111  ∃wrex 3056  {crab 3395  Vcvv 3436   ∩ cin 3896   ⊆ wss 3897  𝒫 cpw 4549  {csn 4575   class class class wbr 5093  ^◡ccnv 5618   ↾ cres 5621   “ cima 5622  ⟶wf 6483  ‘cfv 6487  (class class class)co 7352   ∈ cmpo 7354   ≈ cen 8872   ≼ cdom 8873  Fincfn 8875  1c1 11013   ≤ cle 11153  ℕ₀cn0 12387  ...cfz 13413  ♯chash 14243   Ramsey cram 16917

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2113  ax-9 2121  ax-10 2144  ax-11 2160  ax-12 2180  ax-ext 2703  ax-rep 5219  ax-sep 5236  ax-nul 5246  ax-pow 5305  ax-pr 5372  ax-un 7674  ax-cnex 11068  ax-resscn 11069  ax-1cn 11070  ax-icn 11071  ax-addcl 11072  ax-addrcl 11073  ax-mulcl 11074  ax-mulrcl 11075  ax-mulcom 11076  ax-addass 11077  ax-mulass 11078  ax-distr 11079  ax-i2m1 11080  ax-1ne0 11081  ax-1rid 11082  ax-rnegex 11083  ax-rrecex 11084  ax-cnre 11085  ax-pre-lttri 11086  ax-pre-lttrn 11087  ax-pre-ltadd 11088  ax-pre-mulgt0 11089

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2535  df-eu 2564  df-clab 2710  df-cleq 2723  df-clel 2806  df-nfc 2881  df-ne 2929  df-nel 3033  df-ral 3048  df-rex 3057  df-rmo 3346  df-reu 3347  df-rab 3396  df-v 3438  df-sbc 3737  df-csb 3846  df-dif 3900  df-un 3902  df-in 3904  df-ss 3914  df-pss 3917  df-nul 4283  df-if 4475  df-pw 4551  df-sn 4576  df-pr 4578  df-op 4582  df-uni 4859  df-int 4898  df-iun 4943  df-br 5094  df-opab 5156  df-mpt 5175  df-tr 5201  df-id 5514  df-eprel 5519  df-po 5527  df-so 5528  df-fr 5572  df-we 5574  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-res 5631  df-ima 5632  df-pred 6254  df-ord 6315  df-on 6316  df-lim 6317  df-suc 6318  df-iota 6443  df-fun 6489  df-fn 6490  df-f 6491  df-f1 6492  df-fo 6493  df-f1o 6494  df-fv 6495  df-riota 7309  df-ov 7355  df-oprab 7356  df-mpo 7357  df-om 7803  df-1st 7927  df-2nd 7928  df-frecs 8217  df-wrecs 8248  df-recs 8297  df-rdg 8335  df-1o 8391  df-oadd 8395  df-er 8628  df-map 8758  df-en 8876  df-dom 8877  df-sdom 8878  df-fin 8879  df-sup 9332  df-inf 9333  df-card 9838  df-pnf 11154  df-mnf 11155  df-xr 11156  df-ltxr 11157  df-le 11158  df-sub 11352  df-neg 11353  df-nn 12132  df-n0 12388  df-xnn0 12461  df-z 12475  df-uz 12739  df-fz 13414  df-hash 14244  df-ram 16919

This theorem is referenced by:  ramub1  16946