Definition df-hmeo 15402

Description: Function returning all the homeomorphisms from topology 𝑗 to topology 𝑘. (Contributed by FL, 14-Feb-2007.)

Assertion

Ref	Expression
df-hmeo	⊢ Homeo = (𝑗 ∈ Top, 𝑘 ∈ Top ↦ {𝑓 ∈ (𝑗 Cn 𝑘) ∣ ◡𝑓 ∈ (𝑘 Cn 𝑗)})

Distinct variable group:   𝑓,𝑗,𝑘

Detailed syntax breakdown of Definition df-hmeo

Step	Hyp	Ref	Expression
1		chmeo 15401	. 2 class Homeo
2		vj	. . 3 setvar 𝑗
3		vk	. . 3 setvar 𝑘
4		ctop 15098	. . 3 class Top
5		vf	. . . . . . 7 setvar 𝑓
6	5	cv 1401	. . . . . 6 class 𝑓
7	6	ccnv 4773	. . . . 5 class ◡𝑓
8	3	cv 1401	. . . . . 6 class 𝑘
9	2	cv 1401	. . . . . 6 class 𝑗
10		ccn 15286	. . . . . 6 class Cn
11	8, 9, 10	co 6085	. . . . 5 class (𝑘 Cn 𝑗)
12	7, 11	wcel 2209	. . . 4 wff ◡𝑓 ∈ (𝑘 Cn 𝑗)
13	9, 8, 10	co 6085	. . . 4 class (𝑗 Cn 𝑘)
14	12, 5, 13	crab 2532	. . 3 class {𝑓 ∈ (𝑗 Cn 𝑘) ∣ ◡𝑓 ∈ (𝑘 Cn 𝑗)}
15	2, 3, 4, 4, 14	cmpo 6087	. 2 class (𝑗 ∈ Top, 𝑘 ∈ Top ↦ {𝑓 ∈ (𝑗 Cn 𝑘) ∣ ◡𝑓 ∈ (𝑘 Cn 𝑗)})
16	1, 15	wceq 1402	1 wff Homeo = (𝑗 ∈ Top, 𝑘 ∈ Top ↦ {𝑓 ∈ (𝑗 Cn 𝑘) ∣ ◡𝑓 ∈ (𝑘 Cn 𝑗)})

This definition is used by:  hmeofn  15403  hmeofvalg  15404  ishmeo  15405