Theorem hmphref 22105

Description: "Is homeomorphic to" is reflexive. (Contributed by FL, 25-Feb-2007.) (Proof shortened by Mario Carneiro, 23-Aug-2015.)

Assertion

Ref	Expression
hmphref	⊢ (𝐽 ∈ Top → 𝐽 ≃ 𝐽)

Proof of Theorem hmphref

Step	Hyp	Ref	Expression
1		toptopon2 21242	. . 3 ⊢ (𝐽 ∈ Top ↔ 𝐽 ∈ (TopOn‘∪ 𝐽))
2		idhmeo 22097	. . 3 ⊢ (𝐽 ∈ (TopOn‘∪ 𝐽) → ( I ↾ ∪ 𝐽) ∈ (𝐽Homeo𝐽))
3	1, 2	sylbi 209	. 2 ⊢ (𝐽 ∈ Top → ( I ↾ ∪ 𝐽) ∈ (𝐽Homeo𝐽))
4		hmphi 22101	. 2 ⊢ (( I ↾ ∪ 𝐽) ∈ (𝐽Homeo𝐽) → 𝐽 ≃ 𝐽)
5	3, 4	syl 17	1 ⊢ (𝐽 ∈ Top → 𝐽 ≃ 𝐽)

Syntax hints:   → wi 4   ∈ wcel 2050  ∪ cuni 4708   class class class wbr 4925   I cid 5307   ↾ cres 5405  ‘cfv 6185  (class class class)co 6974  Topctop 21217  TopOnctopon 21234  Homeochmeo 22077   ≃ chmph 22078

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1758  ax-4 1772  ax-5 1869  ax-6 1928  ax-7 1965  ax-8 2052  ax-9 2059  ax-10 2079  ax-11 2093  ax-12 2106  ax-13 2301  ax-ext 2744  ax-sep 5056  ax-nul 5063  ax-pow 5115  ax-pr 5182  ax-un 7277

This theorem depends on definitions:  df-bi 199  df-an 388  df-or 834  df-3an 1070  df-tru 1510  df-ex 1743  df-nf 1747  df-sb 2016  df-mo 2547  df-eu 2584  df-clab 2753  df-cleq 2765  df-clel 2840  df-nfc 2912  df-ne 2962  df-ral 3087  df-rex 3088  df-rab 3091  df-v 3411  df-sbc 3676  df-csb 3781  df-dif 3826  df-un 3828  df-in 3830  df-ss 3837  df-nul 4173  df-if 4345  df-pw 4418  df-sn 4436  df-pr 4438  df-op 4442  df-uni 4709  df-iun 4790  df-br 4926  df-opab 4988  df-mpt 5005  df-id 5308  df-xp 5409  df-rel 5410  df-cnv 5411  df-co 5412  df-dm 5413  df-rn 5414  df-res 5415  df-ima 5416  df-suc 6032  df-iota 6149  df-fun 6187  df-fn 6188  df-f 6189  df-f1 6190  df-fo 6191  df-f1o 6192  df-fv 6193  df-ov 6977  df-oprab 6978  df-mpo 6979  df-1st 7499  df-2nd 7500  df-1o 7903  df-map 8206  df-top 21218  df-topon 21235  df-cn 21551  df-hmeo 22079  df-hmph 22080

This theorem is referenced by:  hmpher  22108  hmph0  22119