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Theorem xkocnv 23823
Description: The inverse of the "currying" function 𝐹 is the uncurrying function. (Contributed by Mario Carneiro, 13-Apr-2015.)
Hypotheses
Ref Expression
xkohmeo.x (𝜑𝐽 ∈ (TopOn‘𝑋))
xkohmeo.y (𝜑𝐾 ∈ (TopOn‘𝑌))
xkohmeo.f 𝐹 = (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ↦ (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))
xkohmeo.j (𝜑𝐽 ∈ 𝑛-Locally Comp)
xkohmeo.k (𝜑𝐾 ∈ 𝑛-Locally Comp)
xkohmeo.l (𝜑𝐿 ∈ Top)
Assertion
Ref Expression
xkocnv (𝜑𝐹 = (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ↦ (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))))
Distinct variable groups:   𝑓,𝑔,𝑥,𝑦,𝐽   𝑓,𝐾,𝑔,𝑥,𝑦   𝜑,𝑓,𝑔,𝑥,𝑦   𝑓,𝐿,𝑔,𝑥,𝑦   𝑓,𝑋,𝑔,𝑥,𝑦   𝑓,𝑌,𝑔,𝑥,𝑦   𝑓,𝐹,𝑔,𝑥,𝑦

Proof of Theorem xkocnv
StepHypRef Expression
1 simprr 772 . . . . . 6 ((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) → 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))
2 xkohmeo.x . . . . . . . . 9 (𝜑𝐽 ∈ (TopOn‘𝑋))
32adantr 480 . . . . . . . 8 ((𝜑𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿)) → 𝐽 ∈ (TopOn‘𝑋))
4 xkohmeo.y . . . . . . . . 9 (𝜑𝐾 ∈ (TopOn‘𝑌))
54adantr 480 . . . . . . . 8 ((𝜑𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿)) → 𝐾 ∈ (TopOn‘𝑌))
6 txtopon 23600 . . . . . . . . . . . . . 14 ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝐾 ∈ (TopOn‘𝑌)) → (𝐽 ×t 𝐾) ∈ (TopOn‘(𝑋 × 𝑌)))
72, 4, 6syl2anc 584 . . . . . . . . . . . . 13 (𝜑 → (𝐽 ×t 𝐾) ∈ (TopOn‘(𝑋 × 𝑌)))
87adantr 480 . . . . . . . . . . . 12 ((𝜑𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿)) → (𝐽 ×t 𝐾) ∈ (TopOn‘(𝑋 × 𝑌)))
9 xkohmeo.l . . . . . . . . . . . . . 14 (𝜑𝐿 ∈ Top)
10 toptopon2 22925 . . . . . . . . . . . . . 14 (𝐿 ∈ Top ↔ 𝐿 ∈ (TopOn‘ 𝐿))
119, 10sylib 218 . . . . . . . . . . . . 13 (𝜑𝐿 ∈ (TopOn‘ 𝐿))
1211adantr 480 . . . . . . . . . . . 12 ((𝜑𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿)) → 𝐿 ∈ (TopOn‘ 𝐿))
13 simpr 484 . . . . . . . . . . . 12 ((𝜑𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿)) → 𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿))
14 cnf2 23258 . . . . . . . . . . . 12 (((𝐽 ×t 𝐾) ∈ (TopOn‘(𝑋 × 𝑌)) ∧ 𝐿 ∈ (TopOn‘ 𝐿) ∧ 𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿)) → 𝑓:(𝑋 × 𝑌)⟶ 𝐿)
158, 12, 13, 14syl3anc 1372 . . . . . . . . . . 11 ((𝜑𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿)) → 𝑓:(𝑋 × 𝑌)⟶ 𝐿)
1615ffnd 6736 . . . . . . . . . 10 ((𝜑𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿)) → 𝑓 Fn (𝑋 × 𝑌))
17 fnov 7565 . . . . . . . . . 10 (𝑓 Fn (𝑋 × 𝑌) ↔ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ (𝑥𝑓𝑦)))
1816, 17sylib 218 . . . . . . . . 9 ((𝜑𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿)) → 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ (𝑥𝑓𝑦)))
1918, 13eqeltrrd 2841 . . . . . . . 8 ((𝜑𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿)) → (𝑥𝑋, 𝑦𝑌 ↦ (𝑥𝑓𝑦)) ∈ ((𝐽 ×t 𝐾) Cn 𝐿))
203, 5, 19cnmpt2k 23697 . . . . . . 7 ((𝜑𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿)) → (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))) ∈ (𝐽 Cn (𝐿ko 𝐾)))
2120adantrr 717 . . . . . 6 ((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) → (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))) ∈ (𝐽 Cn (𝐿ko 𝐾)))
221, 21eqeltrd 2840 . . . . 5 ((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) → 𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)))
2318adantrr 717 . . . . . 6 ((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) → 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ (𝑥𝑓𝑦)))
24 eqid 2736 . . . . . . 7 𝑋 = 𝑋
25 nfv 1913 . . . . . . . . 9 𝑥𝜑
26 nfv 1913 . . . . . . . . . 10 𝑥 𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿)
27 nfmpt1 5249 . . . . . . . . . . 11 𝑥(𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦)))
2827nfeq2 2922 . . . . . . . . . 10 𝑥 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦)))
2926, 28nfan 1898 . . . . . . . . 9 𝑥(𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))
3025, 29nfan 1898 . . . . . . . 8 𝑥(𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦)))))
31 nfv 1913 . . . . . . . . . . . . 13 𝑦𝜑
32 nfv 1913 . . . . . . . . . . . . . 14 𝑦 𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿)
33 nfcv 2904 . . . . . . . . . . . . . . . 16 𝑦𝑋
34 nfmpt1 5249 . . . . . . . . . . . . . . . 16 𝑦(𝑦𝑌 ↦ (𝑥𝑓𝑦))
3533, 34nfmpt 5248 . . . . . . . . . . . . . . 15 𝑦(𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦)))
3635nfeq2 2922 . . . . . . . . . . . . . 14 𝑦 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦)))
3732, 36nfan 1898 . . . . . . . . . . . . 13 𝑦(𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))
3831, 37nfan 1898 . . . . . . . . . . . 12 𝑦(𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦)))))
39 nfv 1913 . . . . . . . . . . . 12 𝑦 𝑥𝑋
4038, 39nfan 1898 . . . . . . . . . . 11 𝑦((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ 𝑥𝑋)
41 simplrr 777 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ (𝑥𝑋𝑦𝑌)) → 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))
4241fveq1d 6907 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ (𝑥𝑋𝑦𝑌)) → (𝑔𝑥) = ((𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦)))‘𝑥))
43 simprl 770 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ (𝑥𝑋𝑦𝑌)) → 𝑥𝑋)
44 toponmax 22933 . . . . . . . . . . . . . . . . . . 19 (𝐾 ∈ (TopOn‘𝑌) → 𝑌𝐾)
454, 44syl 17 . . . . . . . . . . . . . . . . . 18 (𝜑𝑌𝐾)
4645ad2antrr 726 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ (𝑥𝑋𝑦𝑌)) → 𝑌𝐾)
4746mptexd 7245 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ (𝑥𝑋𝑦𝑌)) → (𝑦𝑌 ↦ (𝑥𝑓𝑦)) ∈ V)
48 eqid 2736 . . . . . . . . . . . . . . . . 17 (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))) = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦)))
4948fvmpt2 7026 . . . . . . . . . . . . . . . 16 ((𝑥𝑋 ∧ (𝑦𝑌 ↦ (𝑥𝑓𝑦)) ∈ V) → ((𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦)))‘𝑥) = (𝑦𝑌 ↦ (𝑥𝑓𝑦)))
5043, 47, 49syl2anc 584 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ (𝑥𝑋𝑦𝑌)) → ((𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦)))‘𝑥) = (𝑦𝑌 ↦ (𝑥𝑓𝑦)))
5142, 50eqtrd 2776 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ (𝑥𝑋𝑦𝑌)) → (𝑔𝑥) = (𝑦𝑌 ↦ (𝑥𝑓𝑦)))
5251fveq1d 6907 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ (𝑥𝑋𝑦𝑌)) → ((𝑔𝑥)‘𝑦) = ((𝑦𝑌 ↦ (𝑥𝑓𝑦))‘𝑦))
53 simprr 772 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ (𝑥𝑋𝑦𝑌)) → 𝑦𝑌)
54 ovex 7465 . . . . . . . . . . . . . 14 (𝑥𝑓𝑦) ∈ V
55 eqid 2736 . . . . . . . . . . . . . . 15 (𝑦𝑌 ↦ (𝑥𝑓𝑦)) = (𝑦𝑌 ↦ (𝑥𝑓𝑦))
5655fvmpt2 7026 . . . . . . . . . . . . . 14 ((𝑦𝑌 ∧ (𝑥𝑓𝑦) ∈ V) → ((𝑦𝑌 ↦ (𝑥𝑓𝑦))‘𝑦) = (𝑥𝑓𝑦))
5753, 54, 56sylancl 586 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ (𝑥𝑋𝑦𝑌)) → ((𝑦𝑌 ↦ (𝑥𝑓𝑦))‘𝑦) = (𝑥𝑓𝑦))
5852, 57eqtrd 2776 . . . . . . . . . . . 12 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ (𝑥𝑋𝑦𝑌)) → ((𝑔𝑥)‘𝑦) = (𝑥𝑓𝑦))
5958expr 456 . . . . . . . . . . 11 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ 𝑥𝑋) → (𝑦𝑌 → ((𝑔𝑥)‘𝑦) = (𝑥𝑓𝑦)))
6040, 59ralrimi 3256 . . . . . . . . . 10 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ 𝑥𝑋) → ∀𝑦𝑌 ((𝑔𝑥)‘𝑦) = (𝑥𝑓𝑦))
61 eqid 2736 . . . . . . . . . 10 𝑌 = 𝑌
6260, 61jctil 519 . . . . . . . . 9 (((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) ∧ 𝑥𝑋) → (𝑌 = 𝑌 ∧ ∀𝑦𝑌 ((𝑔𝑥)‘𝑦) = (𝑥𝑓𝑦)))
6362ex 412 . . . . . . . 8 ((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) → (𝑥𝑋 → (𝑌 = 𝑌 ∧ ∀𝑦𝑌 ((𝑔𝑥)‘𝑦) = (𝑥𝑓𝑦))))
6430, 63ralrimi 3256 . . . . . . 7 ((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) → ∀𝑥𝑋 (𝑌 = 𝑌 ∧ ∀𝑦𝑌 ((𝑔𝑥)‘𝑦) = (𝑥𝑓𝑦)))
65 mpoeq123 7506 . . . . . . 7 ((𝑋 = 𝑋 ∧ ∀𝑥𝑋 (𝑌 = 𝑌 ∧ ∀𝑦𝑌 ((𝑔𝑥)‘𝑦) = (𝑥𝑓𝑦))) → (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)) = (𝑥𝑋, 𝑦𝑌 ↦ (𝑥𝑓𝑦)))
6624, 64, 65sylancr 587 . . . . . 6 ((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) → (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)) = (𝑥𝑋, 𝑦𝑌 ↦ (𝑥𝑓𝑦)))
6723, 66eqtr4d 2779 . . . . 5 ((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) → 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))
6822, 67jca 511 . . . 4 ((𝜑 ∧ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))) → (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))))
69 simprr 772 . . . . . 6 ((𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))) → 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))
702adantr 480 . . . . . . . 8 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → 𝐽 ∈ (TopOn‘𝑋))
714adantr 480 . . . . . . . 8 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → 𝐾 ∈ (TopOn‘𝑌))
7211adantr 480 . . . . . . . 8 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → 𝐿 ∈ (TopOn‘ 𝐿))
73 xkohmeo.k . . . . . . . . 9 (𝜑𝐾 ∈ 𝑛-Locally Comp)
7473adantr 480 . . . . . . . 8 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → 𝐾 ∈ 𝑛-Locally Comp)
75 nllytop 23482 . . . . . . . . . . . . . 14 (𝐾 ∈ 𝑛-Locally Comp → 𝐾 ∈ Top)
7674, 75syl 17 . . . . . . . . . . . . 13 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → 𝐾 ∈ Top)
779adantr 480 . . . . . . . . . . . . 13 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → 𝐿 ∈ Top)
78 eqid 2736 . . . . . . . . . . . . . 14 (𝐿ko 𝐾) = (𝐿ko 𝐾)
7978xkotopon 23609 . . . . . . . . . . . . 13 ((𝐾 ∈ Top ∧ 𝐿 ∈ Top) → (𝐿ko 𝐾) ∈ (TopOn‘(𝐾 Cn 𝐿)))
8076, 77, 79syl2anc 584 . . . . . . . . . . . 12 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → (𝐿ko 𝐾) ∈ (TopOn‘(𝐾 Cn 𝐿)))
81 simpr 484 . . . . . . . . . . . 12 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → 𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)))
82 cnf2 23258 . . . . . . . . . . . 12 ((𝐽 ∈ (TopOn‘𝑋) ∧ (𝐿ko 𝐾) ∈ (TopOn‘(𝐾 Cn 𝐿)) ∧ 𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → 𝑔:𝑋⟶(𝐾 Cn 𝐿))
8370, 80, 81, 82syl3anc 1372 . . . . . . . . . . 11 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → 𝑔:𝑋⟶(𝐾 Cn 𝐿))
8483feqmptd 6976 . . . . . . . . . 10 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → 𝑔 = (𝑥𝑋 ↦ (𝑔𝑥)))
854ad2antrr 726 . . . . . . . . . . . . 13 (((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) ∧ 𝑥𝑋) → 𝐾 ∈ (TopOn‘𝑌))
8611ad2antrr 726 . . . . . . . . . . . . 13 (((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) ∧ 𝑥𝑋) → 𝐿 ∈ (TopOn‘ 𝐿))
8783ffvelcdmda 7103 . . . . . . . . . . . . 13 (((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) ∧ 𝑥𝑋) → (𝑔𝑥) ∈ (𝐾 Cn 𝐿))
88 cnf2 23258 . . . . . . . . . . . . 13 ((𝐾 ∈ (TopOn‘𝑌) ∧ 𝐿 ∈ (TopOn‘ 𝐿) ∧ (𝑔𝑥) ∈ (𝐾 Cn 𝐿)) → (𝑔𝑥):𝑌 𝐿)
8985, 86, 87, 88syl3anc 1372 . . . . . . . . . . . 12 (((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) ∧ 𝑥𝑋) → (𝑔𝑥):𝑌 𝐿)
9089feqmptd 6976 . . . . . . . . . . 11 (((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) ∧ 𝑥𝑋) → (𝑔𝑥) = (𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))
9190mpteq2dva 5241 . . . . . . . . . 10 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → (𝑥𝑋 ↦ (𝑔𝑥)) = (𝑥𝑋 ↦ (𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))))
9284, 91eqtrd 2776 . . . . . . . . 9 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))))
9392, 81eqeltrrd 2841 . . . . . . . 8 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → (𝑥𝑋 ↦ (𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))) ∈ (𝐽 Cn (𝐿ko 𝐾)))
9470, 71, 72, 74, 93cnmptk2 23695 . . . . . . 7 ((𝜑𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))) → (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)) ∈ ((𝐽 ×t 𝐾) Cn 𝐿))
9594adantrr 717 . . . . . 6 ((𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))) → (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)) ∈ ((𝐽 ×t 𝐾) Cn 𝐿))
9669, 95eqeltrd 2840 . . . . 5 ((𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))) → 𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿))
9792adantrr 717 . . . . . 6 ((𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))) → 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))))
98 nfv 1913 . . . . . . . . 9 𝑥 𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))
99 nfmpo1 7514 . . . . . . . . . 10 𝑥(𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))
10099nfeq2 2922 . . . . . . . . 9 𝑥 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))
10198, 100nfan 1898 . . . . . . . 8 𝑥(𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))
10225, 101nfan 1898 . . . . . . 7 𝑥(𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))))
103 nfv 1913 . . . . . . . . . . . 12 𝑦 𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾))
104 nfmpo2 7515 . . . . . . . . . . . . 13 𝑦(𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))
105104nfeq2 2922 . . . . . . . . . . . 12 𝑦 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))
106103, 105nfan 1898 . . . . . . . . . . 11 𝑦(𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))
10731, 106nfan 1898 . . . . . . . . . 10 𝑦(𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))))
108107, 39nfan 1898 . . . . . . . . 9 𝑦((𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))) ∧ 𝑥𝑋)
10969oveqd 7449 . . . . . . . . . . 11 ((𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))) → (𝑥𝑓𝑦) = (𝑥(𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))𝑦))
110 fvex 6918 . . . . . . . . . . . 12 ((𝑔𝑥)‘𝑦) ∈ V
111 eqid 2736 . . . . . . . . . . . . 13 (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)) = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))
112111ovmpt4g 7581 . . . . . . . . . . . 12 ((𝑥𝑋𝑦𝑌 ∧ ((𝑔𝑥)‘𝑦) ∈ V) → (𝑥(𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))𝑦) = ((𝑔𝑥)‘𝑦))
113110, 112mp3an3 1451 . . . . . . . . . . 11 ((𝑥𝑋𝑦𝑌) → (𝑥(𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))𝑦) = ((𝑔𝑥)‘𝑦))
114109, 113sylan9eq 2796 . . . . . . . . . 10 (((𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))) ∧ (𝑥𝑋𝑦𝑌)) → (𝑥𝑓𝑦) = ((𝑔𝑥)‘𝑦))
115114expr 456 . . . . . . . . 9 (((𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))) ∧ 𝑥𝑋) → (𝑦𝑌 → (𝑥𝑓𝑦) = ((𝑔𝑥)‘𝑦)))
116108, 115ralrimi 3256 . . . . . . . 8 (((𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))) ∧ 𝑥𝑋) → ∀𝑦𝑌 (𝑥𝑓𝑦) = ((𝑔𝑥)‘𝑦))
117 mpteq12 5233 . . . . . . . 8 ((𝑌 = 𝑌 ∧ ∀𝑦𝑌 (𝑥𝑓𝑦) = ((𝑔𝑥)‘𝑦)) → (𝑦𝑌 ↦ (𝑥𝑓𝑦)) = (𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))
11861, 116, 117sylancr 587 . . . . . . 7 (((𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))) ∧ 𝑥𝑋) → (𝑦𝑌 ↦ (𝑥𝑓𝑦)) = (𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))
119102, 118mpteq2da 5239 . . . . . 6 ((𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))) → (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))) = (𝑥𝑋 ↦ (𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))))
12097, 119eqtr4d 2779 . . . . 5 ((𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))) → 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))
12196, 120jca 511 . . . 4 ((𝜑 ∧ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))) → (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦)))))
12268, 121impbida 800 . . 3 (𝜑 → ((𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦)))) ↔ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))))
123122opabbidv 5208 . 2 (𝜑 → {⟨𝑔, 𝑓⟩ ∣ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))} = {⟨𝑔, 𝑓⟩ ∣ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))})
124 xkohmeo.f . . . . 5 𝐹 = (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ↦ (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))
125 df-mpt 5225 . . . . 5 (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ↦ (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦)))) = {⟨𝑓, 𝑔⟩ ∣ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))}
126124, 125eqtri 2764 . . . 4 𝐹 = {⟨𝑓, 𝑔⟩ ∣ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))}
127126cnveqi 5884 . . 3 𝐹 = {⟨𝑓, 𝑔⟩ ∣ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))}
128 cnvopab 6156 . . 3 {⟨𝑓, 𝑔⟩ ∣ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))} = {⟨𝑔, 𝑓⟩ ∣ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))}
129127, 128eqtri 2764 . 2 𝐹 = {⟨𝑔, 𝑓⟩ ∣ (𝑓 ∈ ((𝐽 ×t 𝐾) Cn 𝐿) ∧ 𝑔 = (𝑥𝑋 ↦ (𝑦𝑌 ↦ (𝑥𝑓𝑦))))}
130 df-mpt 5225 . 2 (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ↦ (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))) = {⟨𝑔, 𝑓⟩ ∣ (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ∧ 𝑓 = (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦)))}
131123, 129, 1303eqtr4g 2801 1 (𝜑𝐹 = (𝑔 ∈ (𝐽 Cn (𝐿ko 𝐾)) ↦ (𝑥𝑋, 𝑦𝑌 ↦ ((𝑔𝑥)‘𝑦))))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395   = wceq 1539  wcel 2107  wral 3060  Vcvv 3479   cuni 4906  {copab 5204  cmpt 5224   × cxp 5682  ccnv 5683   Fn wfn 6555  wf 6556  cfv 6560  (class class class)co 7432  cmpo 7434  Topctop 22900  TopOnctopon 22917   Cn ccn 23233  Compccmp 23395  𝑛-Locally cnlly 23474   ×t ctx 23569  ko cxko 23570
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 2707  ax-rep 5278  ax-sep 5295  ax-nul 5305  ax-pow 5364  ax-pr 5431  ax-un 7756
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 2539  df-eu 2568  df-clab 2714  df-cleq 2728  df-clel 2815  df-nfc 2891  df-ne 2940  df-ral 3061  df-rex 3070  df-reu 3380  df-rab 3436  df-v 3481  df-sbc 3788  df-csb 3899  df-dif 3953  df-un 3955  df-in 3957  df-ss 3967  df-pss 3970  df-nul 4333  df-if 4525  df-pw 4601  df-sn 4626  df-pr 4628  df-op 4632  df-uni 4907  df-int 4946  df-iun 4992  df-iin 4993  df-br 5143  df-opab 5205  df-mpt 5225  df-tr 5259  df-id 5577  df-eprel 5583  df-po 5591  df-so 5592  df-fr 5636  df-we 5638  df-xp 5690  df-rel 5691  df-cnv 5692  df-co 5693  df-dm 5694  df-rn 5695  df-res 5696  df-ima 5697  df-ord 6386  df-on 6387  df-lim 6388  df-suc 6389  df-iota 6513  df-fun 6562  df-fn 6563  df-f 6564  df-f1 6565  df-fo 6566  df-f1o 6567  df-fv 6568  df-ov 7435  df-oprab 7436  df-mpo 7437  df-om 7889  df-1st 8015  df-2nd 8016  df-1o 8507  df-2o 8508  df-map 8869  df-ixp 8939  df-en 8987  df-dom 8988  df-fin 8990  df-fi 9452  df-rest 17468  df-topgen 17489  df-pt 17490  df-top 22901  df-topon 22918  df-bases 22954  df-ntr 23029  df-nei 23107  df-cn 23236  df-cnp 23237  df-cmp 23396  df-nlly 23476  df-tx 23571  df-xko 23572
This theorem is referenced by:  xkohmeo  23824
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