Theorem setsmsbasg 15202

Description: The base set of a constructed metric space. (Contributed by Mario Carneiro, 28-Aug-2015.)

Hypotheses

Ref	Expression
setsms.x	|- ( ph -> X = ( Base ` M ) )
setsms.d	|- ( ph -> D = ( ( dist ` M ) |` ( X X. X ) ) )
setsms.k	|- ( ph -> K = ( M sSet <. (TopSet ` ndx ) , ( MetOpen ` D ) >. ) )
setsmsbasg.m	|- ( ph -> M e. V )
setsmsbasg.d	|- ( ph -> ( MetOpen ` D ) e. W )

Assertion

Ref	Expression
setsmsbasg	|- ( ph -> X = ( Base ` K ) )

Proof of Theorem setsmsbasg

Step	Hyp	Ref	Expression
1		setsmsbasg.m	. . 3 |- ( ph -> M e. V )
2		setsmsbasg.d	. . 3 |- ( ph -> ( MetOpen ` D ) e. W )
3		baseslid 13139	. . . 4 |- ( Base = Slot ( Base ` ndx ) /\ ( Base ` ndx ) e. NN )
4		1re 8177	. . . . . 6 |- 1 e. RR
5		1lt9 9347	. . . . . 6 |- 1 < 9
6	4, 5	ltneii 8275	. . . . 5 |- 1 =/= 9
7		basendx 13136	. . . . . 6 |- ( Base ` ndx ) = 1
8		tsetndx 13268	. . . . . 6 |- (TopSet ` ndx ) = 9
9	7, 8	neeq12i 2419	. . . . 5 |- ( ( Base ` ndx ) =/= (TopSet ` ndx ) <-> 1 =/= 9 )
10	6, 9	mpbir 146	. . . 4 |- ( Base ` ndx ) =/= (TopSet ` ndx )
11		9nn 9311	. . . . 5 |- 9 e. NN
12	8, 11	eqeltri 2304	. . . 4 |- (TopSet ` ndx ) e. NN
13	3, 10, 12	setsslnid 13133	. . 3 |- ( ( M e. V /\ ( MetOpen ` D ) e. W ) -> ( Base ` M ) = ( Base ` ( M sSet <. (TopSet ` ndx ) , ( MetOpen ` D ) >. ) ) )
14	1, 2, 13	syl2anc 411	. 2 |- ( ph -> ( Base ` M ) = ( Base ` ( M sSet <. (TopSet ` ndx ) , ( MetOpen ` D ) >. ) ) )
15		setsms.x	. 2 |- ( ph -> X = ( Base ` M ) )
16		setsms.k	. . 3 |- ( ph -> K = ( M sSet <. (TopSet ` ndx ) , ( MetOpen ` D ) >. ) )
17	16	fveq2d 5643	. 2 |- ( ph -> ( Base ` K ) = ( Base ` ( M sSet <. (TopSet ` ndx ) , ( MetOpen ` D ) >. ) ) )
18	14, 15, 17	3eqtr4d 2274	1 |- ( ph -> X = ( Base ` K ) )

Syntax hints:   -> wi 4   = wceq 1397   e. wcel 2202   =/= wne 2402   <.cop 3672   X. cxp 4723   |` cres 4727   ` cfv 5326  (class class class)co 6017   1c1 8032   NNcn 9142   9c9 9200   ndxcnx 13078   sSet csts 13079   Basecbs 13081  TopSetcts 13165   distcds 13168   MetOpencmopn 14554

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2204  ax-14 2205  ax-ext 2213  ax-sep 4207  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-setind 4635  ax-cnex 8122  ax-resscn 8123  ax-1cn 8124  ax-1re 8125  ax-icn 8126  ax-addcl 8127  ax-addrcl 8128  ax-mulcl 8129  ax-addcom 8131  ax-addass 8133  ax-i2m1 8136  ax-0lt1 8137  ax-0id 8139  ax-rnegex 8140  ax-pre-ltirr 8143  ax-pre-lttrn 8145  ax-pre-ltadd 8147

This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-fal 1403  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ne 2403  df-nel 2498  df-ral 2515  df-rex 2516  df-rab 2519  df-v 2804  df-sbc 3032  df-dif 3202  df-un 3204  df-in 3206  df-ss 3213  df-nul 3495  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-int 3929  df-br 4089  df-opab 4151  df-mpt 4152  df-id 4390  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-rn 4736  df-res 4737  df-iota 5286  df-fun 5328  df-fv 5334  df-ov 6020  df-oprab 6021  df-mpo 6022  df-pnf 8215  df-mnf 8216  df-ltxr 8218  df-inn 9143  df-2 9201  df-3 9202  df-4 9203  df-5 9204  df-6 9205  df-7 9206  df-8 9207  df-9 9208  df-ndx 13084  df-slot 13085  df-base 13087  df-sets 13088  df-tset 13178

This theorem is referenced by: (None)