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Theorem istpsi 17009
Description: Properties that determine a topological space. (Contributed by NM, 20-Oct-2012.)
Hypotheses
Ref Expression
istpsi.b  |-  ( Base `  K )  =  A
istpsi.j  |-  ( TopOpen `  K )  =  J
istpsi.1  |-  A  = 
U. J
istpsi.2  |-  J  e. 
Top
Assertion
Ref Expression
istpsi  |-  K  e. 
TopSp

Proof of Theorem istpsi
StepHypRef Expression
1 istpsi.2 . 2  |-  J  e. 
Top
2 istpsi.1 . 2  |-  A  = 
U. J
3 istpsi.b . . . 4  |-  ( Base `  K )  =  A
43eqcomi 2440 . . 3  |-  A  =  ( Base `  K
)
5 istpsi.j . . . 4  |-  ( TopOpen `  K )  =  J
65eqcomi 2440 . . 3  |-  J  =  ( TopOpen `  K )
74, 6istps2 17002 . 2  |-  ( K  e.  TopSp 
<->  ( J  e.  Top  /\  A  =  U. J
) )
81, 2, 7mpbir2an 887 1  |-  K  e. 
TopSp
Colors of variables: wff set class
Syntax hints:    = wceq 1652    e. wcel 1725   U.cuni 4015   ` cfv 5454   Basecbs 13469   TopOpenctopn 13649   Topctop 16958   TopSpctps 16961
This theorem is referenced by:  indistps2  17076
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1555  ax-5 1566  ax-17 1626  ax-9 1666  ax-8 1687  ax-13 1727  ax-14 1729  ax-6 1744  ax-7 1749  ax-11 1761  ax-12 1950  ax-ext 2417  ax-sep 4330  ax-nul 4338  ax-pow 4377  ax-pr 4403  ax-un 4701
This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3an 938  df-tru 1328  df-ex 1551  df-nf 1554  df-sb 1659  df-eu 2285  df-mo 2286  df-clab 2423  df-cleq 2429  df-clel 2432  df-nfc 2561  df-ne 2601  df-ral 2710  df-rex 2711  df-rab 2714  df-v 2958  df-sbc 3162  df-dif 3323  df-un 3325  df-in 3327  df-ss 3334  df-nul 3629  df-if 3740  df-pw 3801  df-sn 3820  df-pr 3821  df-op 3823  df-uni 4016  df-br 4213  df-opab 4267  df-mpt 4268  df-id 4498  df-xp 4884  df-rel 4885  df-cnv 4886  df-co 4887  df-dm 4888  df-iota 5418  df-fun 5456  df-fv 5462  df-top 16963  df-topon 16966  df-topsp 16967
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