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Theorem hmph 10510
Description: Express the predicate J is homeomorph to K.
Assertion
Ref Expression
hmph |- ((J e. Top /\ K e. Top) -> (J ~= K <-> E.f f e. (J Homeo K)))
Distinct variable groups:   f,J   f,K

Proof of Theorem hmph
StepHypRef Expression
1 eleq1 1537 . . . 4 |- (j = J -> (j e. Top <-> J e. Top))
2 opreq1 3974 . . . . . 6 |- (j = J -> (j Homeo k) = (J Homeo k))
32eleq2d 1544 . . . . 5 |- (j = J -> (f e. (j Homeo k) <-> f e. (J Homeo k)))
43exbidv 1281 . . . 4 |- (j = J -> (E.f f e. (j Homeo k) <-> E.f f e. (J Homeo k)))
51, 43anbi13d 897 . . 3 |- (j = J -> ((j e. Top /\ k e. Top /\ E.f f e. (j Homeo k)) <-> (J e. Top /\ k e. Top /\ E.f f e. (J Homeo k))))
6 eleq1 1537 . . . . . 6 |- (k = K -> (k e. Top <-> K e. Top))
76bicomd 523 . . . . 5 |- (k = K -> (K e. Top <-> k e. Top))
8 opreq2 3975 . . . . . . . 8 |- (K = k -> (J Homeo K) = (J Homeo k))
98eqcoms 1481 . . . . . . 7 |- (k = K -> (J Homeo K) = (J Homeo k))
109eleq2d 1544 . . . . . 6 |- (k = K -> (f e. (J Homeo K) <-> f e. (J Homeo k)))
1110exbidv 1281 . . . . 5 |- (k = K -> (E.f f e. (J Homeo K) <-> E.f f e. (J Homeo k)))
127, 113anbi23d 898 . . . 4 |- (k = K -> ((J e. Top /\ K e. Top /\ E.f f e. (J Homeo K)) <-> (J e. Top /\ k e. Top /\ E.f f e. (J Homeo k))))
13 df-3an 779 . . . 4 |- ((J e. Top /\ K e. Top /\ E.f f e. (J Homeo K)) <-> ((J e. Top /\ K e. Top) /\ E.f f e. (J Homeo K)))
1412, 13syl5rbbr 537 . . 3 |- (k = K -> ((J e. Top /\ k e. Top /\ E.f f e. (J Homeo k)) <-> ((J e. Top /\ K e. Top) /\ E.f f e. (J Homeo K))))
15 df-hmph 10509 . . 3 |- ~= = {<.j, k>. | (j e. Top /\ k e. Top /\ E.f f e. (j Homeo k))}
165, 14, 15brabg 2824 . 2 |- ((J e. Top /\ K e. Top) -> (J ~= K <-> ((J e. Top /\ K e. Top) /\ E.f f e. (J Homeo K))))
1716bianabs 655 1 |- ((J e. Top /\ K e. Top) -> (J ~= K <-> E.f f e. (J Homeo K)))
Colors of variables: wff set class
Syntax hints:   -> wi 3   <-> wb 146   /\ wa 223   /\ w3a 777   = wceq 958   e. wcel 960  E.wex 982   class class class wbr 2624  (class class class)co 3969  Topctop 7590   Homeo chomeosm 10499   ~= chomeo 10500
This theorem is referenced by:  hmphsyma 10514  hmphre 10516  hmphtr 10517  homcard 10525  homcardus 10526  eqindhome 10527
This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 964  ax-gen 965  ax-8 966  ax-10 968  ax-11 969  ax-12 970  ax-13 971  ax-14 972  ax-17 973  ax-4 975  ax-5o 977  ax-6o 980  ax-9o 1125  ax-10o 1142  ax-16 1212  ax-11o 1220  ax-ext 1462  ax-sep 2708  ax-pow 2748  ax-pr 2785
This theorem depends on definitions:  df-bi 147  df-or 224  df-an 225  df-3an 779  df-ex 983  df-sb 1174  df-eu 1384  df-mo 1385  df-clab 1467  df-cleq 1472  df-clel 1475  df-ne 1590  df-v 1815  df-dif 2052  df-un 2053  df-in 2054  df-ss 2056  df-nul 2284  df-pw 2406  df-sn 2416  df-pr 2417  df-op 2420  df-uni 2508  df-br 2625  df-opab 2672  df-xp 3190  df-cnv 3192  df-dm 3194  df-rn 3195  df-res 3196  df-ima 3197  df-fv 3204  df-opr 3971  df-hmph 10509
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