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Theorem axcontlem10 29533

Description: Lemma for axcont 29536. Given a handful of assumptions, derive the conclusion of the final theorem. (Contributed by Scott Fenton, 20-Jun-2013.)

**Hypotheses**
Ref	Expression
axcontlem10.1	⊢ 𝐷 = {𝑝 ∈ (𝔼‘𝑁) ∣ (𝑈 Btwn ⟨𝑍, 𝑝⟩ ∨ 𝑝 Btwn ⟨𝑍, 𝑈⟩)}
axcontlem10.2	⊢ 𝐹 = {⟨𝑥, 𝑡⟩ ∣ (𝑥 ∈ 𝐷 ∧ (𝑡 ∈ (0[,)+∞) ∧ ∀𝑖 ∈ (1...𝑁)(𝑥‘𝑖) = (((1 − 𝑡) · (𝑍‘𝑖)) + (𝑡 · (𝑈‘𝑖)))))}

**Assertion**
Ref	Expression
axcontlem10	⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩)

Distinct variable groups: 𝐴,𝑏,𝑝,𝑥 𝑁,𝑏,𝑝,𝑥,𝑦 𝑖,𝑍,𝑡 𝑍,𝑏,𝑝,𝑥,𝑦 𝐵,𝑏,𝑝,𝑥,𝑦 𝑖,𝐹,𝑡 𝐹,𝑏,𝑝,𝑥,𝑦 𝑈,𝑏,𝑦 𝑈,𝑖,𝑝,𝑡,𝑥 𝑖,𝑁,𝑡 𝐷,𝑝,𝑡,𝑥 Allowed substitution hints: 𝐴(𝑦, 𝑡, 𝑖) 𝐵(𝑡, 𝑖) 𝐷(𝑦, 𝑖, 𝑏)

Proof of Theorem axcontlem10 Dummy variables 𝑘 𝑚 𝑛 𝑞 𝑟 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		imassrn 6065	. . . . 5 ⊢ (𝐹 “ 𝐴) ⊆ ran 𝐹
2		simpll 779	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝑁 ∈ ℕ)
3		simprl1 1237	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝑍 ∈ (𝔼‘𝑁))
4		simplr1 1234	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐴 ⊆ (𝔼‘𝑁))
5		simprl2 1238	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝑈 ∈ 𝐴)
6	4, 5	sseldd 3932	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝑈 ∈ (𝔼‘𝑁))
7		simprr 785	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝑍 ≠ 𝑈)
8		axcontlem10.1	. . . . . . . 8 ⊢ 𝐷 = {𝑝 ∈ (𝔼‘𝑁) ∣ (𝑈 Btwn ⟨𝑍, 𝑝⟩ ∨ 𝑝 Btwn ⟨𝑍, 𝑈⟩)}
9		axcontlem10.2	. . . . . . . 8 ⊢ 𝐹 = {⟨𝑥, 𝑡⟩ ∣ (𝑥 ∈ 𝐷 ∧ (𝑡 ∈ (0[,)+∞) ∧ ∀𝑖 ∈ (1...𝑁)(𝑥‘𝑖) = (((1 − 𝑡) · (𝑍‘𝑖)) + (𝑡 · (𝑈‘𝑖)))))}
10	8, 9	axcontlem2 29525	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ 𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ (𝔼‘𝑁)) ∧ 𝑍 ≠ 𝑈) → 𝐹:𝐷–1-1-onto→(0[,)+∞))
11	2, 3, 6, 7, 10	syl31anc 1400	. . . . . 6 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐹:𝐷–1-1-onto→(0[,)+∞))
12		f1ofo 6824	. . . . . 6 ⊢ (𝐹:𝐷–1-1-onto→(0[,)+∞) → 𝐹:𝐷–onto→(0[,)+∞))
13		forn 6791	. . . . . 6 ⊢ (𝐹:𝐷–onto→(0[,)+∞) → ran 𝐹 = (0[,)+∞))
14	11, 12, 13	3syl 19	. . . . 5 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ran 𝐹 = (0[,)+∞))
15	1, 14	sseqtrid 3973	. . . 4 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹 “ 𝐴) ⊆ (0[,)+∞))
16		rge0ssre 13568	. . . 4 ⊢ (0[,)+∞) ⊆ ℝ
17	15, 16	sstrdi 3943	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹 “ 𝐴) ⊆ ℝ)
18		imassrn 6065	. . . . 5 ⊢ (𝐹 “ 𝐵) ⊆ ran 𝐹
19	18, 14	sseqtrid 3973	. . . 4 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹 “ 𝐵) ⊆ (0[,)+∞))
20	19, 16	sstrdi 3943	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹 “ 𝐵) ⊆ ℝ)
21	8, 9	axcontlem9 29532	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)𝑚 ≤ 𝑛)
22		dedekindle 11455	. . 3 ⊢ (((𝐹 “ 𝐴) ⊆ ℝ ∧ (𝐹 “ 𝐵) ⊆ ℝ ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)𝑚 ≤ 𝑛) → ∃𝑘 ∈ ℝ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛))
23	17, 20, 21, 22	syl3anc 1398	. 2 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ∃𝑘 ∈ ℝ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛))
24		simpr 490	. . . . . . . 8 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → 𝑘 ∈ ℝ)
25		simprl3 1239	. . . . . . . . . . 11 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐵 ≠ ∅)
26	25	ad2antrr 739	. . . . . . . . . 10 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → 𝐵 ≠ ∅)
27		n0 4300	. . . . . . . . . 10 ⊢ (𝐵 ≠ ∅ ↔ ∃𝑏 𝑏 ∈ 𝐵)
28	26, 27	sylib 221	. . . . . . . . 9 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → ∃𝑏 𝑏 ∈ 𝐵)
29		0red 11292	. . . . . . . . . . . 12 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → 0 ∈ ℝ)
30		f1of 6816	. . . . . . . . . . . . . . . 16 ⊢ (𝐹:𝐷–1-1-onto→(0[,)+∞) → 𝐹:𝐷⟶(0[,)+∞))
31	11, 30	syl 18	. . . . . . . . . . . . . . 15 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐹:𝐷⟶(0[,)+∞))
32	8	axcontlem4 29527	. . . . . . . . . . . . . . . 16 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐴 ⊆ 𝐷)
33	32, 5	sseldd 3932	. . . . . . . . . . . . . . 15 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝑈 ∈ 𝐷)
34	31, 33	ffvelcdmd 7077	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹‘𝑈) ∈ (0[,)+∞))
35	16, 34	sselid 3929	. . . . . . . . . . . . 13 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹‘𝑈) ∈ ℝ)
36	35	ad2antrr 739	. . . . . . . . . . . 12 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → (𝐹‘𝑈) ∈ ℝ)
37		simprl 783	. . . . . . . . . . . 12 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → 𝑘 ∈ ℝ)
38		elrege0 13566	. . . . . . . . . . . . . . 15 ⊢ ((𝐹‘𝑈) ∈ (0[,)+∞) ↔ ((𝐹‘𝑈) ∈ ℝ ∧ 0 ≤ (𝐹‘𝑈)))
39	38	simprbi 503	. . . . . . . . . . . . . 14 ⊢ ((𝐹‘𝑈) ∈ (0[,)+∞) → 0 ≤ (𝐹‘𝑈))
40	34, 39	syl 18	. . . . . . . . . . . . 13 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 0 ≤ (𝐹‘𝑈))
41	40	ad2antrr 739	. . . . . . . . . . . 12 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → 0 ≤ (𝐹‘𝑈))
42		f1of1 6815	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝐹:𝐷–1-1-onto→(0[,)+∞) → 𝐹:𝐷–1-1→(0[,)+∞))
43	11, 42	syl 18	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐹:𝐷–1-1→(0[,)+∞))
44		f1elima 7259	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐹:𝐷–1-1→(0[,)+∞) ∧ 𝑈 ∈ 𝐷 ∧ 𝐴 ⊆ 𝐷) → ((𝐹‘𝑈) ∈ (𝐹 “ 𝐴) ↔ 𝑈 ∈ 𝐴))
45	43, 33, 32, 44	syl3anc 1398	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ((𝐹‘𝑈) ∈ (𝐹 “ 𝐴) ↔ 𝑈 ∈ 𝐴))
46	5, 45	mpbird 260	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹‘𝑈) ∈ (𝐹 “ 𝐴))
47	46	adantr 486	. . . . . . . . . . . . . . . 16 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → (𝐹‘𝑈) ∈ (𝐹 “ 𝐴))
48		simpr 490	. . . . . . . . . . . . . . . . . 18 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑏 ∈ 𝐵) → 𝑏 ∈ 𝐵)
49	43	adantr 486	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑏 ∈ 𝐵) → 𝐹:𝐷–1-1→(0[,)+∞))
50		simpl1 1210	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈) → 𝑍 ∈ (𝔼‘𝑁))
51		simpl2 1211	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈) → 𝑈 ∈ 𝐴)
52		simpr 490	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈) → 𝑍 ≠ 𝑈)
53	50, 51, 52	3jca 1146	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈) → (𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝑍 ≠ 𝑈))
54	8	axcontlem3 29526	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ (𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝑍 ≠ 𝑈)) → 𝐵 ⊆ 𝐷)
55	53, 54	sylan2 605	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐵 ⊆ 𝐷)
56	55	sselda 3931	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑏 ∈ 𝐵) → 𝑏 ∈ 𝐷)
57	55	adantr 486	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑏 ∈ 𝐵) → 𝐵 ⊆ 𝐷)
58		f1elima 7259	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐹:𝐷–1-1→(0[,)+∞) ∧ 𝑏 ∈ 𝐷 ∧ 𝐵 ⊆ 𝐷) → ((𝐹‘𝑏) ∈ (𝐹 “ 𝐵) ↔ 𝑏 ∈ 𝐵))
59	49, 56, 57, 58	syl3anc 1398	. . . . . . . . . . . . . . . . . 18 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑏 ∈ 𝐵) → ((𝐹‘𝑏) ∈ (𝐹 “ 𝐵) ↔ 𝑏 ∈ 𝐵))
60	48, 59	mpbird 260	. . . . . . . . . . . . . . . . 17 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑏 ∈ 𝐵) → (𝐹‘𝑏) ∈ (𝐹 “ 𝐵))
61	60	adantrl 729	. . . . . . . . . . . . . . . 16 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → (𝐹‘𝑏) ∈ (𝐹 “ 𝐵))
62	47, 61	jca 521	. . . . . . . . . . . . . . 15 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → ((𝐹‘𝑈) ∈ (𝐹 “ 𝐴) ∧ (𝐹‘𝑏) ∈ (𝐹 “ 𝐵)))
63		breq1 5106	. . . . . . . . . . . . . . . . 17 ⊢ (𝑚 = (𝐹‘𝑈) → (𝑚 ≤ 𝑘 ↔ (𝐹‘𝑈) ≤ 𝑘))
64	63	anbi1d 643	. . . . . . . . . . . . . . . 16 ⊢ (𝑚 = (𝐹‘𝑈) → ((𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ↔ ((𝐹‘𝑈) ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)))
65		breq2 5107	. . . . . . . . . . . . . . . . 17 ⊢ (𝑛 = (𝐹‘𝑏) → (𝑘 ≤ 𝑛 ↔ 𝑘 ≤ (𝐹‘𝑏)))
66	65	anbi2d 642	. . . . . . . . . . . . . . . 16 ⊢ (𝑛 = (𝐹‘𝑏) → (((𝐹‘𝑈) ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ↔ ((𝐹‘𝑈) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑏))))
67	64, 66	rspc2va 3588	. . . . . . . . . . . . . . 15 ⊢ ((((𝐹‘𝑈) ∈ (𝐹 “ 𝐴) ∧ (𝐹‘𝑏) ∈ (𝐹 “ 𝐵)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) → ((𝐹‘𝑈) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑏)))
68	62, 67	sylan 592	. . . . . . . . . . . . . 14 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) → ((𝐹‘𝑈) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑏)))
69	68	an32s 665	. . . . . . . . . . . . 13 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → ((𝐹‘𝑈) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑏)))
70	69	simpld 500	. . . . . . . . . . . 12 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → (𝐹‘𝑈) ≤ 𝑘)
71	29, 36, 37, 41, 70	letrd 11448	. . . . . . . . . . 11 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → 0 ≤ 𝑘)
72	71	expr 462	. . . . . . . . . 10 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → (𝑏 ∈ 𝐵 → 0 ≤ 𝑘))
73	72	exlimdv 1966	. . . . . . . . 9 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → (∃𝑏 𝑏 ∈ 𝐵 → 0 ≤ 𝑘))
74	28, 73	mpd 16	. . . . . . . 8 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → 0 ≤ 𝑘)
75		elrege0 13566	. . . . . . . 8 ⊢ (𝑘 ∈ (0[,)+∞) ↔ (𝑘 ∈ ℝ ∧ 0 ≤ 𝑘))
76	24, 74, 75	sylanbrc 595	. . . . . . 7 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → 𝑘 ∈ (0[,)+∞))
77	76	ex 418	. . . . . 6 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) → (𝑘 ∈ ℝ → 𝑘 ∈ (0[,)+∞)))
78	8	ssrab3 4030	. . . . . . . . 9 ⊢ 𝐷 ⊆ (𝔼‘𝑁)
79		simpr 490	. . . . . . . . . 10 ⊢ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) → 𝑘 ∈ (0[,)+∞))
80		f1ocnvdm 7285	. . . . . . . . . 10 ⊢ ((𝐹:𝐷–1-1-onto→(0[,)+∞) ∧ 𝑘 ∈ (0[,)+∞)) → (^◡𝐹‘𝑘) ∈ 𝐷)
81	11, 79, 80	syl2an 608	. . . . . . . . 9 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞))) → (^◡𝐹‘𝑘) ∈ 𝐷)
82	78, 81	sselid 3929	. . . . . . . 8 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞))) → (^◡𝐹‘𝑘) ∈ (𝔼‘𝑁))
83	2, 3, 6	3jca 1146	. . . . . . . . . . . . . . 15 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝑁 ∈ ℕ ∧ 𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ (𝔼‘𝑁)))
84	83, 7	jca 521	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ((𝑁 ∈ ℕ ∧ 𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ (𝔼‘𝑁)) ∧ 𝑍 ≠ 𝑈))
85	84	adantr 486	. . . . . . . . . . . . 13 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ((𝑁 ∈ ℕ ∧ 𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ (𝔼‘𝑁)) ∧ 𝑍 ≠ 𝑈))
86	32	sselda 3931	. . . . . . . . . . . . . . . 16 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑞 ∈ 𝐴) → 𝑞 ∈ 𝐷)
87	86	adantrr 730	. . . . . . . . . . . . . . 15 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵)) → 𝑞 ∈ 𝐷)
88	87	adantrl 729	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → 𝑞 ∈ 𝐷)
89		simplr 781	. . . . . . . . . . . . . . 15 ⊢ (((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵)) → 𝑘 ∈ (0[,)+∞))
90	11, 89, 80	syl2an 608	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → (^◡𝐹‘𝑘) ∈ 𝐷)
91	55	sselda 3931	. . . . . . . . . . . . . . . 16 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑟 ∈ 𝐵) → 𝑟 ∈ 𝐷)
92	91	adantrl 729	. . . . . . . . . . . . . . 15 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵)) → 𝑟 ∈ 𝐷)
93	92	adantrl 729	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → 𝑟 ∈ 𝐷)
94	88, 90, 93	3jca 1146	. . . . . . . . . . . . 13 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → (𝑞 ∈ 𝐷 ∧ (^◡𝐹‘𝑘) ∈ 𝐷 ∧ 𝑟 ∈ 𝐷))
95	85, 94	jca 521	. . . . . . . . . . . 12 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → (((𝑁 ∈ ℕ ∧ 𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ (𝔼‘𝑁)) ∧ 𝑍 ≠ 𝑈) ∧ (𝑞 ∈ 𝐷 ∧ (^◡𝐹‘𝑘) ∈ 𝐷 ∧ 𝑟 ∈ 𝐷)))
96		f1ofun 6818	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝐹:𝐷–1-1-onto→(0[,)+∞) → Fun 𝐹)
97	11, 96	syl 18	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → Fun 𝐹)
98		fdm 6711	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝐹:𝐷⟶(0[,)+∞) → dom 𝐹 = 𝐷)
99	11, 30, 98	3syl 19	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → dom 𝐹 = 𝐷)
100	32, 99	sseqtrrd 3968	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐴 ⊆ dom 𝐹)
101		funfvima2 7229	. . . . . . . . . . . . . . . . . 18 ⊢ ((Fun 𝐹 ∧ 𝐴 ⊆ dom 𝐹) → (𝑞 ∈ 𝐴 → (𝐹‘𝑞) ∈ (𝐹 “ 𝐴)))
102	97, 100, 101	syl2anc 596	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝑞 ∈ 𝐴 → (𝐹‘𝑞) ∈ (𝐹 “ 𝐴)))
103	55, 99	sseqtrrd 3968	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐵 ⊆ dom 𝐹)
104		funfvima2 7229	. . . . . . . . . . . . . . . . . 18 ⊢ ((Fun 𝐹 ∧ 𝐵 ⊆ dom 𝐹) → (𝑟 ∈ 𝐵 → (𝐹‘𝑟) ∈ (𝐹 “ 𝐵)))
105	97, 103, 104	syl2anc 596	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝑟 ∈ 𝐵 → (𝐹‘𝑟) ∈ (𝐹 “ 𝐵)))
106	102, 105	anim12d 621	. . . . . . . . . . . . . . . 16 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ((𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵) → ((𝐹‘𝑞) ∈ (𝐹 “ 𝐴) ∧ (𝐹‘𝑟) ∈ (𝐹 “ 𝐵))))
107	106	imp 412	. . . . . . . . . . . . . . 15 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵)) → ((𝐹‘𝑞) ∈ (𝐹 “ 𝐴) ∧ (𝐹‘𝑟) ∈ (𝐹 “ 𝐵)))
108	107	adantrl 729	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ((𝐹‘𝑞) ∈ (𝐹 “ 𝐴) ∧ (𝐹‘𝑟) ∈ (𝐹 “ 𝐵)))
109		simprll 791	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛))
110		breq1 5106	. . . . . . . . . . . . . . . 16 ⊢ (𝑚 = (𝐹‘𝑞) → (𝑚 ≤ 𝑘 ↔ (𝐹‘𝑞) ≤ 𝑘))
111	110	anbi1d 643	. . . . . . . . . . . . . . 15 ⊢ (𝑚 = (𝐹‘𝑞) → ((𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ↔ ((𝐹‘𝑞) ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)))
112		breq2 5107	. . . . . . . . . . . . . . . 16 ⊢ (𝑛 = (𝐹‘𝑟) → (𝑘 ≤ 𝑛 ↔ 𝑘 ≤ (𝐹‘𝑟)))
113	112	anbi2d 642	. . . . . . . . . . . . . . 15 ⊢ (𝑛 = (𝐹‘𝑟) → (((𝐹‘𝑞) ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ↔ ((𝐹‘𝑞) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑟))))
114	111, 113	rspc2v 3587	. . . . . . . . . . . . . 14 ⊢ (((𝐹‘𝑞) ∈ (𝐹 “ 𝐴) ∧ (𝐹‘𝑟) ∈ (𝐹 “ 𝐵)) → (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) → ((𝐹‘𝑞) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑟))))
115	108, 109, 114	sylc 66	. . . . . . . . . . . . 13 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ((𝐹‘𝑞) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑟)))
116		f1ocnvfv2 7277	. . . . . . . . . . . . . . . 16 ⊢ ((𝐹:𝐷–1-1-onto→(0[,)+∞) ∧ 𝑘 ∈ (0[,)+∞)) → (𝐹‘(^◡𝐹‘𝑘)) = 𝑘)
117	11, 89, 116	syl2an 608	. . . . . . . . . . . . . . 15 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → (𝐹‘(^◡𝐹‘𝑘)) = 𝑘)
118	117	breq2d 5115	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ((𝐹‘𝑞) ≤ (𝐹‘(^◡𝐹‘𝑘)) ↔ (𝐹‘𝑞) ≤ 𝑘))
119	117	breq1d 5113	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ((𝐹‘(^◡𝐹‘𝑘)) ≤ (𝐹‘𝑟) ↔ 𝑘 ≤ (𝐹‘𝑟)))
120	118, 119	anbi12d 644	. . . . . . . . . . . . 13 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → (((𝐹‘𝑞) ≤ (𝐹‘(^◡𝐹‘𝑘)) ∧ (𝐹‘(^◡𝐹‘𝑘)) ≤ (𝐹‘𝑟)) ↔ ((𝐹‘𝑞) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑟))))
121	115, 120	mpbird 260	. . . . . . . . . . . 12 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ((𝐹‘𝑞) ≤ (𝐹‘(^◡𝐹‘𝑘)) ∧ (𝐹‘(^◡𝐹‘𝑘)) ≤ (𝐹‘𝑟)))
122	8, 9	axcontlem8 29531	. . . . . . . . . . . 12 ⊢ ((((𝑁 ∈ ℕ ∧ 𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ (𝔼‘𝑁)) ∧ 𝑍 ≠ 𝑈) ∧ (𝑞 ∈ 𝐷 ∧ (^◡𝐹‘𝑘) ∈ 𝐷 ∧ 𝑟 ∈ 𝐷)) → (((𝐹‘𝑞) ≤ (𝐹‘(^◡𝐹‘𝑘)) ∧ (𝐹‘(^◡𝐹‘𝑘)) ≤ (𝐹‘𝑟)) → (^◡𝐹‘𝑘) Btwn ⟨𝑞, 𝑟⟩))
123	95, 121, 122	sylc 66	. . . . . . . . . . 11 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → (^◡𝐹‘𝑘) Btwn ⟨𝑞, 𝑟⟩)
124	123	anassrs 473	. . . . . . . . . 10 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞))) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵)) → (^◡𝐹‘𝑘) Btwn ⟨𝑞, 𝑟⟩)
125	124	ralrimivva 3206	. . . . . . . . 9 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞))) → ∀𝑞 ∈ 𝐴 ∀𝑟 ∈ 𝐵 (^◡𝐹‘𝑘) Btwn ⟨𝑞, 𝑟⟩)
126		opeq1 4833	. . . . . . . . . . 11 ⊢ (𝑞 = 𝑥 → ⟨𝑞, 𝑟⟩ = ⟨𝑥, 𝑟⟩)
127	126	breq2d 5115	. . . . . . . . . 10 ⊢ (𝑞 = 𝑥 → ((^◡𝐹‘𝑘) Btwn ⟨𝑞, 𝑟⟩ ↔ (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑟⟩))
128		opeq2 4834	. . . . . . . . . . 11 ⊢ (𝑟 = 𝑦 → ⟨𝑥, 𝑟⟩ = ⟨𝑥, 𝑦⟩)
129	128	breq2d 5115	. . . . . . . . . 10 ⊢ (𝑟 = 𝑦 → ((^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑟⟩ ↔ (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑦⟩))
130	127, 129	cbvral2vw 3245	. . . . . . . . 9 ⊢ (∀𝑞 ∈ 𝐴 ∀𝑟 ∈ 𝐵 (^◡𝐹‘𝑘) Btwn ⟨𝑞, 𝑟⟩ ↔ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑦⟩)
131	125, 130	sylib 221	. . . . . . . 8 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞))) → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑦⟩)
132		breq1 5106	. . . . . . . . . 10 ⊢ (𝑏 = (^◡𝐹‘𝑘) → (𝑏 Btwn ⟨𝑥, 𝑦⟩ ↔ (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑦⟩))
133	132	2ralbidv 3227	. . . . . . . . 9 ⊢ (𝑏 = (^◡𝐹‘𝑘) → (∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩ ↔ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑦⟩))
134	133	rspcev 3577	. . . . . . . 8 ⊢ (((^◡𝐹‘𝑘) ∈ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑦⟩) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩)
135	82, 131, 134	syl2anc 596	. . . . . . 7 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞))) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩)
136	135	expr 462	. . . . . 6 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) → (𝑘 ∈ (0[,)+∞) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩))
137	77, 136	syld 48	. . . . 5 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) → (𝑘 ∈ ℝ → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩))
138	137	ex 418	. . . 4 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) → (𝑘 ∈ ℝ → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩)))
139	138	com23 87	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝑘 ∈ ℝ → (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩)))
140	139	rexlimdv 3162	. 2 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (∃𝑘 ∈ ℝ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩))
141	23, 140	mpd 16	1 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩)

Colors of variables: wff setvar class

This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 ∨ wo 861 ∧ w3a 1103 = wceq 1570 ∃wex 1812 ∈ wcel 2145 ≠ wne 2956 ∀wral 3077 ∃wrex 3087 {crab 3413 ⊆ wss 3899 ∅c0 4279 ⟨cop 4590 class class class wbr 5103 {copab 5167 ^◡ccnv 5650 dom cdm 5651 ran crn 5652 “ cima 5654 Fun wfun 6525 ⟶wf 6527 –1-1→wf1 6528 –onto→wfo 6529 –1-1-onto→wf1o 6530 ‘cfv 6531 (class class class)co 7412 ℝcr 11180 0cc0 11181 1c1 11182 + caddc 11184 · cmul 11186 +∞cpnf 11321 ≤ cle 11325 − cmin 11522 ℕcn 12316 [,)cico 13459 ...cfz 13620 𝔼cee 29447 Btwn cbtwn 29448

This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-cnex 11237 ax-resscn 11238 ax-1cn 11239 ax-icn 11240 ax-addcl 11241 ax-addrcl 11242 ax-mulcl 11243 ax-mulrcl 11244 ax-mulcom 11245 ax-addass 11246 ax-mulass 11247 ax-distr 11248 ax-i2m1 11249 ax-1ne0 11250 ax-1rid 11251 ax-rnegex 11252 ax-rrecex 11253 ax-cnre 11254 ax-pre-lttri 11255 ax-pre-lttrn 11256 ax-pre-ltadd 11257 ax-pre-mulgt0 11258 ax-pre-sup 11259

This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6297 df-ord 6358 df-on 6359 df-lim 6360 df-suc 6361 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-er 8701 df-map 8833 df-en 8958 df-dom 8959 df-sdom 8960 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11524 df-neg 11525 df-div 11955 df-nn 12317 df-z 12675 df-uz 12947 df-ico 13463 df-icc 13464 df-fz 13621 df-ee 29450 df-btwn 29451

This theorem is used by: axcontlem11 29534

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