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Theorem tgioo 15365
Description: The topology generated by open intervals of reals is the same as the open sets of the standard metric space on the reals. (Contributed by NM, 7-May-2007.) (Revised by Mario Carneiro, 13-Nov-2013.)
Hypotheses
Ref Expression
remet.1 |- D = ( ( abs o. - ) |` ( RR X. RR ) )
tgioo.2 |- J = ( MetOpen ` D )
Assertion
Ref Expression
tgioo |- ( topGen ` ran (,) ) = J
Proof of Theorem tgioo
Dummy variables x y z w a b v are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 remet.1 . . . 4 |- D = ( ( abs o. - ) |` ( RR X. RR ) )
21rexmet 15360 . . 3 |- D e. ( *Met ` RR )
3 tgioo.2 . . . 4 |- J = ( MetOpen ` D )
43mopnval 15253 . . 3 |- ( D e. ( *Met ` RR ) -> J = ( topGen ` ran ( ball ` D ) ) )
52, 4ax-mp 5 . 2 |- J = ( topGen ` ran ( ball ` D ) )
6 blex 15198 . . . . 5 |- ( D e. ( *Met ` RR ) -> ( ball ` D ) e. _V )
72, 6ax-mp 5 . . . 4 |- ( ball ` D ) e. _V
87rnex 5006 . . 3 |- ran ( ball ` D ) e. _V
91blssioo 15364 . . 3 |- ran ( ball ` D ) C_ ran (,)
10 elssuni 3926 . . . . . . 7 |- ( v e. ran (,) -> v C_ U. ran (,) )
11 unirnioo 10269 . . . . . . 7 |- RR = U. ran (,)
1210, 11sseqtrrdi 3277 . . . . . 6 |- ( v e. ran (,) -> v C_ RR )
13 retopbas 15334 . . . . . . . . . 10 |- ran (,) e. TopBases
1413a1i 9 . . . . . . . . 9 |- ( ( v e. ran (,) /\ x e. v ) -> ran (,) e. TopBases )
15 simpl 109 . . . . . . . . 9 |- ( ( v e. ran (,) /\ x e. v ) -> v e. ran (,) )
1612sselda 3228 . . . . . . . . . 10 |- ( ( v e. ran (,) /\ x e. v ) -> x e. RR )
17 1re 8238 . . . . . . . . . . . 12 |- 1 e. RR
181bl2ioo 15361 . . . . . . . . . . . 12 |- ( ( x e. RR /\ 1 e. RR ) -> ( x ( ball ` D ) 1 ) = ( ( x - 1 ) (,) ( x + 1 ) ) )
1917, 18mpan2 425 . . . . . . . . . . 11 |- ( x e. RR -> ( x ( ball ` D ) 1 ) = ( ( x - 1 ) (,) ( x + 1 ) ) )
20 peano2rem 8505 . . . . . . . . . . . . 13 |- ( x e. RR -> ( x - 1 ) e. RR )
2120rexrd 8288 . . . . . . . . . . . 12 |- ( x e. RR -> ( x - 1 ) e. RR* )
22 peano2re 8374 . . . . . . . . . . . . 13 |- ( x e. RR -> ( x + 1 ) e. RR )
2322rexrd 8288 . . . . . . . . . . . 12 |- ( x e. RR -> ( x + 1 ) e. RR* )
24 ioorebasg 10271 . . . . . . . . . . . 12 |- ( ( ( x - 1 ) e. RR* /\ ( x + 1 ) e. RR* ) -> ( ( x - 1 ) (,) ( x + 1 ) ) e. ran (,) )
2521, 23, 24syl2anc 411 . . . . . . . . . . 11 |- ( x e. RR -> ( ( x - 1 ) (,) ( x + 1 ) ) e. ran (,) )
2619, 25eqeltrd 2308 . . . . . . . . . 10 |- ( x e. RR -> ( x ( ball ` D ) 1 ) e. ran (,) )
2716, 26syl 14 . . . . . . . . 9 |- ( ( v e. ran (,) /\ x e. v ) -> ( x ( ball ` D ) 1 ) e. ran (,) )
28 simpr 110 . . . . . . . . . 10 |- ( ( v e. ran (,) /\ x e. v ) -> x e. v )
29 1rp 9953 . . . . . . . . . . . 12 |- 1 e. RR+
30 blcntr 15227 . . . . . . . . . . . 12 |- ( ( D e. ( *Met ` RR ) /\ x e. RR /\ 1 e. RR+ ) -> x e. ( x ( ball ` D ) 1 ) )
312, 29, 30mp3an13 1365 . . . . . . . . . . 11 |- ( x e. RR -> x e. ( x ( ball ` D ) 1 ) )
3216, 31syl 14 . . . . . . . . . 10 |- ( ( v e. ran (,) /\ x e. v ) -> x e. ( x ( ball ` D ) 1 ) )
3328, 32elind 3394 . . . . . . . . 9 |- ( ( v e. ran (,) /\ x e. v ) -> x e. ( v i^i ( x ( ball ` D ) 1 ) ) )
34 basis2 14859 . . . . . . . . 9 |- ( ( ( ran (,) e. TopBases /\ v e. ran (,) ) /\ ( ( x ( ball ` D ) 1 ) e. ran (,) /\ x e. ( v i^i ( x ( ball ` D ) 1 ) ) ) ) -> E. z e. ran (,) ( x e. z /\ z C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) )
3514, 15, 27, 33, 34syl22anc 1275 . . . . . . . 8 |- ( ( v e. ran (,) /\ x e. v ) -> E. z e. ran (,) ( x e. z /\ z C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) )
36 ioof 10267 . . . . . . . . . . 11 |- (,) : ( RR* X. RR* ) --> ~P RR
37 ffn 5489 . . . . . . . . . . 11 |- ( (,) : ( RR* X. RR* ) --> ~P RR -> (,) Fn ( RR* X. RR* ) )
38 ovelrn 6181 . . . . . . . . . . 11 |- ( (,) Fn ( RR* X. RR* ) -> ( z e. ran (,) <-> E. a e. RR* E. b e. RR* z = ( a (,) b ) ) )
3936, 37, 38mp2b 8 . . . . . . . . . 10 |- ( z e. ran (,) <-> E. a e. RR* E. b e. RR* z = ( a (,) b ) )
40 eleq2 2295 . . . . . . . . . . . . . . 15 |- ( z = ( a (,) b ) -> ( x e. z <-> x e. ( a (,) b ) ) )
41 sseq1 3251 . . . . . . . . . . . . . . 15 |- ( z = ( a (,) b ) -> ( z C_ ( v i^i ( x ( ball ` D ) 1 ) ) <-> ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) )
4240, 41anbi12d 473 . . . . . . . . . . . . . 14 |- ( z = ( a (,) b ) -> ( ( x e. z /\ z C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) <-> ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) ) )
43 inss2 3430 . . . . . . . . . . . . . . . . . . . . . 22 |- ( v i^i ( x ( ball ` D ) 1 ) ) C_ ( x ( ball ` D ) 1 )
44 sstr 3236 . . . . . . . . . . . . . . . . . . . . . 22 |- ( ( ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) /\ ( v i^i ( x ( ball ` D ) 1 ) ) C_ ( x ( ball ` D ) 1 ) ) -> ( a (,) b ) C_ ( x ( ball ` D ) 1 ) )
4543, 44mpan2 425 . . . . . . . . . . . . . . . . . . . . 21 |- ( ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) -> ( a (,) b ) C_ ( x ( ball ` D ) 1 ) )
4645adantl 277 . . . . . . . . . . . . . . . . . . . 20 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( a (,) b ) C_ ( x ( ball ` D ) 1 ) )
47 elioore 10208 . . . . . . . . . . . . . . . . . . . . . 22 |- ( x e. ( a (,) b ) -> x e. RR )
4847adantr 276 . . . . . . . . . . . . . . . . . . . . 21 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> x e. RR )
4948, 19syl 14 . . . . . . . . . . . . . . . . . . . 20 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( x ( ball ` D ) 1 ) = ( ( x - 1 ) (,) ( x + 1 ) ) )
5046, 49sseqtrd 3266 . . . . . . . . . . . . . . . . . . 19 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( a (,) b ) C_ ( ( x - 1 ) (,) ( x + 1 ) ) )
51 dfss 3215 . . . . . . . . . . . . . . . . . . 19 |- ( ( a (,) b ) C_ ( ( x - 1 ) (,) ( x + 1 ) ) <-> ( a (,) b ) = ( ( a (,) b ) i^i ( ( x - 1 ) (,) ( x + 1 ) ) ) )
5250, 51sylib 122 . . . . . . . . . . . . . . . . . 18 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( a (,) b ) = ( ( a (,) b ) i^i ( ( x - 1 ) (,) ( x + 1 ) ) ) )
53 eliooxr 10223 . . . . . . . . . . . . . . . . . . . 20 |- ( x e. ( a (,) b ) -> ( a e. RR* /\ b e. RR* ) )
5421, 23jca 306 . . . . . . . . . . . . . . . . . . . . 21 |- ( x e. RR -> ( ( x - 1 ) e. RR* /\ ( x + 1 ) e. RR* ) )
5547, 54syl 14 . . . . . . . . . . . . . . . . . . . 20 |- ( x e. ( a (,) b ) -> ( ( x - 1 ) e. RR* /\ ( x + 1 ) e. RR* ) )
56 iooinsup 11917 . . . . . . . . . . . . . . . . . . . 20 |- ( ( ( a e. RR* /\ b e. RR* ) /\ ( ( x - 1 ) e. RR* /\ ( x + 1 ) e. RR* ) ) -> ( ( a (,) b ) i^i ( ( x - 1 ) (,) ( x + 1 ) ) ) = ( sup ( { a , ( x - 1 ) } , RR* , < ) (,)inf ( { b , ( x + 1 ) } , RR* , < ) ) )
5753, 55, 56syl2anc 411 . . . . . . . . . . . . . . . . . . 19 |- ( x e. ( a (,) b ) -> ( ( a (,) b ) i^i ( ( x - 1 ) (,) ( x + 1 ) ) ) = ( sup ( { a , ( x - 1 ) } , RR* , < ) (,)inf ( { b , ( x + 1 ) } , RR* , < ) ) )
5857adantr 276 . . . . . . . . . . . . . . . . . 18 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( ( a (,) b ) i^i ( ( x - 1 ) (,) ( x + 1 ) ) ) = ( sup ( { a , ( x - 1 ) } , RR* , < ) (,)inf ( { b , ( x + 1 ) } , RR* , < ) ) )
5952, 58eqtrd 2264 . . . . . . . . . . . . . . . . 17 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( a (,) b ) = ( sup ( { a , ( x - 1 ) } , RR* , < ) (,)inf ( { b , ( x + 1 ) } , RR* , < ) ) )
60 mnfxr 8295 . . . . . . . . . . . . . . . . . . . 20 |- -oo e. RR*
6160a1i 9 . . . . . . . . . . . . . . . . . . 19 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> -oo e. RR* )
6253adantr 276 . . . . . . . . . . . . . . . . . . . . 21 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( a e. RR* /\ b e. RR* ) )
6362simpld 112 . . . . . . . . . . . . . . . . . . . 20 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> a e. RR* )
6448, 21syl 14 . . . . . . . . . . . . . . . . . . . 20 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( x - 1 ) e. RR* )
65 xrmaxcl 11892 . . . . . . . . . . . . . . . . . . . 20 |- ( ( a e. RR* /\ ( x - 1 ) e. RR* ) -> sup ( { a , ( x - 1 ) } , RR* , < ) e. RR* )
6663, 64, 65syl2anc 411 . . . . . . . . . . . . . . . . . . 19 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> sup ( { a , ( x - 1 ) } , RR* , < ) e. RR* )
6762simprd 114 . . . . . . . . . . . . . . . . . . . 20 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> b e. RR* )
6848, 22syl 14 . . . . . . . . . . . . . . . . . . . . 21 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( x + 1 ) e. RR )
6968rexrd 8288 . . . . . . . . . . . . . . . . . . . 20 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( x + 1 ) e. RR* )
70 xrmincl 11906 . . . . . . . . . . . . . . . . . . . 20 |- ( ( b e. RR* /\ ( x + 1 ) e. RR* ) -> inf ( { b , ( x + 1 ) } , RR* , < ) e. RR* )
7167, 69, 70syl2anc 411 . . . . . . . . . . . . . . . . . . 19 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> inf ( { b , ( x + 1 ) } , RR* , < ) e. RR* )
7247, 20syl 14 . . . . . . . . . . . . . . . . . . . . . 22 |- ( x e. ( a (,) b ) -> ( x - 1 ) e. RR )
7372adantr 276 . . . . . . . . . . . . . . . . . . . . 21 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( x - 1 ) e. RR )
74 mnflt 10079 . . . . . . . . . . . . . . . . . . . . 21 |- ( ( x - 1 ) e. RR -> -oo < ( x - 1 ) )
7573, 74syl 14 . . . . . . . . . . . . . . . . . . . 20 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> -oo < ( x - 1 ) )
76 xrmax2sup 11894 . . . . . . . . . . . . . . . . . . . . 21 |- ( ( a e. RR* /\ ( x - 1 ) e. RR* ) -> ( x - 1 ) <_ sup ( { a , ( x - 1 ) } , RR* , < ) )
7763, 64, 76syl2anc 411 . . . . . . . . . . . . . . . . . . . 20 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( x - 1 ) <_ sup ( { a , ( x - 1 ) } , RR* , < ) )
7861, 64, 66, 75, 77xrltletrd 10107 . . . . . . . . . . . . . . . . . . 19 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> -oo < sup ( { a , ( x - 1 ) } , RR* , < ) )
79 simpl 109 . . . . . . . . . . . . . . . . . . . . 21 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> x e. ( a (,) b ) )
8079, 59eleqtrd 2310 . . . . . . . . . . . . . . . . . . . 20 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> x e. ( sup ( { a , ( x - 1 ) } , RR* , < ) (,)inf ( { b , ( x + 1 ) } , RR* , < ) ) )
81 eliooxr 10223 . . . . . . . . . . . . . . . . . . . . 21 |- ( x e. ( sup ( { a , ( x - 1 ) } , RR* , < ) (,)inf ( { b , ( x + 1 ) } , RR* , < ) ) -> ( sup ( { a , ( x - 1 ) } , RR* , < ) e. RR* /\ inf ( { b , ( x + 1 ) } , RR* , < ) e. RR* ) )
82 elex2 2820 . . . . . . . . . . . . . . . . . . . . . 22 |- ( x e. ( sup ( { a , ( x - 1 ) } , RR* , < ) (,)inf ( { b , ( x + 1 ) } , RR* , < ) ) -> E. w w e. ( sup ( { a , ( x - 1 ) } , RR* , < ) (,)inf ( { b , ( x + 1 ) } , RR* , < ) ) )
83 ioom 10583 . . . . . . . . . . . . . . . . . . . . . 22 |- ( ( sup ( { a , ( x - 1 ) } , RR* , < ) e. RR* /\ inf ( { b , ( x + 1 ) } , RR* , < ) e. RR* ) -> ( E. w w e. ( sup ( { a , ( x - 1 ) } , RR* , < ) (,)inf ( { b , ( x + 1 ) } , RR* , < ) ) <-> sup ( { a , ( x - 1 ) } , RR* , < ) < inf ( { b , ( x + 1 ) } , RR* , < ) ) )
8482, 83imbitrid 154 . . . . . . . . . . . . . . . . . . . . 21 |- ( ( sup ( { a , ( x - 1 ) } , RR* , < ) e. RR* /\ inf ( { b , ( x + 1 ) } , RR* , < ) e. RR* ) -> ( x e. ( sup ( { a , ( x - 1 ) } , RR* , < ) (,)inf ( { b , ( x + 1 ) } , RR* , < ) ) -> sup ( { a , ( x - 1 ) } , RR* , < ) < inf ( { b , ( x + 1 ) } , RR* , < ) ) )
8581, 84mpcom 36 . . . . . . . . . . . . . . . . . . . 20 |- ( x e. ( sup ( { a , ( x - 1 ) } , RR* , < ) (,)inf ( { b , ( x + 1 ) } , RR* , < ) ) -> sup ( { a , ( x - 1 ) } , RR* , < ) < inf ( { b , ( x + 1 ) } , RR* , < ) )
8680, 85syl 14 . . . . . . . . . . . . . . . . . . 19 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> sup ( { a , ( x - 1 ) } , RR* , < ) < inf ( { b , ( x + 1 ) } , RR* , < ) )
87 xrre2 10117 . . . . . . . . . . . . . . . . . . 19 |- ( ( ( -oo e. RR* /\ sup ( { a , ( x - 1 ) } , RR* , < ) e. RR* /\ inf ( { b , ( x + 1 ) } , RR* , < ) e. RR* ) /\ ( -oo < sup ( { a , ( x - 1 ) } , RR* , < ) /\ sup ( { a , ( x - 1 ) } , RR* , < ) < inf ( { b , ( x + 1 ) } , RR* , < ) ) ) -> sup ( { a , ( x - 1 ) } , RR* , < ) e. RR )
8861, 66, 71, 78, 86, 87syl32anc 1282 . . . . . . . . . . . . . . . . . 18 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> sup ( { a , ( x - 1 ) } , RR* , < ) e. RR )
89 mnfle 10088 . . . . . . . . . . . . . . . . . . . . 21 |- ( sup ( { a , ( x - 1 ) } , RR* , < ) e. RR* -> -oo <_ sup ( { a , ( x - 1 ) } , RR* , < ) )
9066, 89syl 14 . . . . . . . . . . . . . . . . . . . 20 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> -oo <_ sup ( { a , ( x - 1 ) } , RR* , < ) )
9161, 66, 71, 90, 86xrlelttrd 10106 . . . . . . . . . . . . . . . . . . 19 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> -oo < inf ( { b , ( x + 1 ) } , RR* , < ) )
92 xrmin2inf 11908 . . . . . . . . . . . . . . . . . . . 20 |- ( ( b e. RR* /\ ( x + 1 ) e. RR* ) -> inf ( { b , ( x + 1 ) } , RR* , < ) <_ ( x + 1 ) )
9367, 69, 92syl2anc 411 . . . . . . . . . . . . . . . . . . 19 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> inf ( { b , ( x + 1 ) } , RR* , < ) <_ ( x + 1 ) )
94 xrre 10116 . . . . . . . . . . . . . . . . . . 19 |- ( ( (inf ( { b , ( x + 1 ) } , RR* , < ) e. RR* /\ ( x + 1 ) e. RR ) /\ ( -oo < inf ( { b , ( x + 1 ) } , RR* , < ) /\ inf ( { b , ( x + 1 ) } , RR* , < ) <_ ( x + 1 ) ) ) -> inf ( { b , ( x + 1 ) } , RR* , < ) e. RR )
9571, 68, 91, 93, 94syl22anc 1275 . . . . . . . . . . . . . . . . . 18 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> inf ( { b , ( x + 1 ) } , RR* , < ) e. RR )
961ioo2blex 15363 . . . . . . . . . . . . . . . . . 18 |- ( ( sup ( { a , ( x - 1 ) } , RR* , < ) e. RR /\ inf ( { b , ( x + 1 ) } , RR* , < ) e. RR ) -> ( sup ( { a , ( x - 1 ) } , RR* , < ) (,)inf ( { b , ( x + 1 ) } , RR* , < ) ) e. ran ( ball ` D ) )
9788, 95, 96syl2anc 411 . . . . . . . . . . . . . . . . 17 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( sup ( { a , ( x - 1 ) } , RR* , < ) (,)inf ( { b , ( x + 1 ) } , RR* , < ) ) e. ran ( ball ` D ) )
9859, 97eqeltrd 2308 . . . . . . . . . . . . . . . 16 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( a (,) b ) e. ran ( ball ` D ) )
99 inss1 3429 . . . . . . . . . . . . . . . . . 18 |- ( v i^i ( x ( ball ` D ) 1 ) ) C_ v
100 sstr 3236 . . . . . . . . . . . . . . . . . 18 |- ( ( ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) /\ ( v i^i ( x ( ball ` D ) 1 ) ) C_ v ) -> ( a (,) b ) C_ v )
10199, 100mpan2 425 . . . . . . . . . . . . . . . . 17 |- ( ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) -> ( a (,) b ) C_ v )
102101adantl 277 . . . . . . . . . . . . . . . 16 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( a (,) b ) C_ v )
103 sseq1 3251 . . . . . . . . . . . . . . . . . 18 |- ( z = ( a (,) b ) -> ( z C_ v <-> ( a (,) b ) C_ v ) )
10440, 103anbi12d 473 . . . . . . . . . . . . . . . . 17 |- ( z = ( a (,) b ) -> ( ( x e. z /\ z C_ v ) <-> ( x e. ( a (,) b ) /\ ( a (,) b ) C_ v ) ) )
105104rspcev 2911 . . . . . . . . . . . . . . . 16 |- ( ( ( a (,) b ) e. ran ( ball ` D ) /\ ( x e. ( a (,) b ) /\ ( a (,) b ) C_ v ) ) -> E. z e. ran ( ball ` D ) ( x e. z /\ z C_ v ) )
10698, 79, 102, 105syl12anc 1272 . . . . . . . . . . . . . . 15 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> E. z e. ran ( ball ` D ) ( x e. z /\ z C_ v ) )
107 blssex 15241 . . . . . . . . . . . . . . . 16 |- ( ( D e. ( *Met ` RR ) /\ x e. RR ) -> ( E. z e. ran ( ball ` D ) ( x e. z /\ z C_ v ) <-> E. y e. RR+ ( x ( ball ` D ) y ) C_ v ) )
1082, 48, 107sylancr 414 . . . . . . . . . . . . . . 15 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> ( E. z e. ran ( ball ` D ) ( x e. z /\ z C_ v ) <-> E. y e. RR+ ( x ( ball ` D ) y ) C_ v ) )
109106, 108mpbid 147 . . . . . . . . . . . . . 14 |- ( ( x e. ( a (,) b ) /\ ( a (,) b ) C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> E. y e. RR+ ( x ( ball ` D ) y ) C_ v )
11042, 109biimtrdi 163 . . . . . . . . . . . . 13 |- ( z = ( a (,) b ) -> ( ( x e. z /\ z C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> E. y e. RR+ ( x ( ball ` D ) y ) C_ v ) )
111110a1i 9 . . . . . . . . . . . 12 |- ( ( a e. RR* /\ b e. RR* ) -> ( z = ( a (,) b ) -> ( ( x e. z /\ z C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> E. y e. RR+ ( x ( ball ` D ) y ) C_ v ) ) )
112111rexlimivv 2657 . . . . . . . . . . 11 |- ( E. a e. RR* E. b e. RR* z = ( a (,) b ) -> ( ( x e. z /\ z C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> E. y e. RR+ ( x ( ball ` D ) y ) C_ v ) )
113112imp 124 . . . . . . . . . 10 |- ( ( E. a e. RR* E. b e. RR* z = ( a (,) b ) /\ ( x e. z /\ z C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) ) -> E. y e. RR+ ( x ( ball ` D ) y ) C_ v )
11439, 113sylanb 284 . . . . . . . . 9 |- ( ( z e. ran (,) /\ ( x e. z /\ z C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) ) -> E. y e. RR+ ( x ( ball ` D ) y ) C_ v )
115114rexlimiva 2646 . . . . . . . 8 |- ( E. z e. ran (,) ( x e. z /\ z C_ ( v i^i ( x ( ball ` D ) 1 ) ) ) -> E. y e. RR+ ( x ( ball ` D ) y ) C_ v )
11635, 115syl 14 . . . . . . 7 |- ( ( v e. ran (,) /\ x e. v ) -> E. y e. RR+ ( x ( ball ` D ) y ) C_ v )
117116ralrimiva 2606 . . . . . 6 |- ( v e. ran (,) -> A. x e. v E. y e. RR+ ( x ( ball ` D ) y ) C_ v )
1183elmopn2 15260 . . . . . . 7 |- ( D e. ( *Met ` RR ) -> ( v e. J <-> ( v C_ RR /\ A. x e. v E. y e. RR+ ( x ( ball ` D ) y ) C_ v ) ) )
1192, 118ax-mp 5 . . . . . 6 |- ( v e. J <-> ( v C_ RR /\ A. x e. v E. y e. RR+ ( x ( ball ` D ) y ) C_ v ) )
12012, 117, 119sylanbrc 417 . . . . 5 |- ( v e. ran (,) -> v e. J )
121120ssriv 3232 . . . 4 |- ran (,) C_ J
122121, 5sseqtri 3262 . . 3 |- ran (,) C_ ( topGen ` ran ( ball ` D ) )
123 2basgeng 14893 . . 3 |- ( ( ran ( ball ` D ) e. _V /\ ran ( ball ` D ) C_ ran (,) /\ ran (,) C_ ( topGen ` ran ( ball ` D ) ) ) -> ( topGen ` ran ( ball ` D ) ) = ( topGen ` ran (,) ) )
1248, 9, 122, 123mp3an 1374 . 2 |- ( topGen ` ran ( ball ` D ) ) = ( topGen ` ran (,) )
1255, 124eqtr2i 2253 1 |- ( topGen ` ran (,) ) = J
Colors of variables: wff set class
Syntax hints:   -> wi 4   /\ wa 104   <-> wb 105   = wceq 1398   E.wex 1541   e. wcel 2202   A.wral 2511   E.wrex 2512   _Vcvv 2803   i^i cin 3200   C_ wss 3201   ~Pcpw 3656   {cpr 3674   U.cuni 3898   class class class wbr 4093   X. cxp 4729   ran crn 4732   |` cres 4733   o. ccom 4735   Fn wfn 5328   -->wf 5329   ` cfv 5333  (class class class)co 6028   supcsup 7241  infcinf 7242   RRcr 8091   1c1 8093   + caddc 8095   -oocmnf 8271   RR*cxr 8272   < clt 8273   <_ cle 8274   - cmin 8409   RR+crp 9949   (,)cioo 10184   abscabs 11637   topGenctg 13417   *Metcxmet 14632   ballcbl 14634   MetOpencmopn 14637   TopBasesctb 14853
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2204  ax-14 2205  ax-ext 2213  ax-coll 4209  ax-sep 4212  ax-nul 4220  ax-pow 4270  ax-pr 4305  ax-un 4536  ax-setind 4641  ax-iinf 4692  ax-cnex 8183  ax-resscn 8184  ax-1cn 8185  ax-1re 8186  ax-icn 8187  ax-addcl 8188  ax-addrcl 8189  ax-mulcl 8190  ax-mulrcl 8191  ax-addcom 8192  ax-mulcom 8193  ax-addass 8194  ax-mulass 8195  ax-distr 8196  ax-i2m1 8197  ax-0lt1 8198  ax-1rid 8199  ax-0id 8200  ax-rnegex 8201  ax-precex 8202  ax-cnre 8203  ax-pre-ltirr 8204  ax-pre-ltwlin 8205  ax-pre-lttrn 8206  ax-pre-apti 8207  ax-pre-ltadd 8208  ax-pre-mulgt0 8209  ax-pre-mulext 8210  ax-arch 8211  ax-caucvg 8212
This theorem depends on definitions:  df-bi 117  df-stab 839  df-dc 843  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-ne 2404  df-nel 2499  df-ral 2516  df-rex 2517  df-reu 2518  df-rmo 2519  df-rab 2520  df-v 2805  df-sbc 3033  df-csb 3129  df-dif 3203  df-un 3205  df-in 3207  df-ss 3214  df-nul 3497  df-if 3608  df-pw 3658  df-sn 3679  df-pr 3680  df-op 3682  df-uni 3899  df-int 3934  df-iun 3977  df-br 4094  df-opab 4156  df-mpt 4157  df-tr 4193  df-id 4396  df-po 4399  df-iso 4400  df-iord 4469  df-on 4471  df-ilim 4472  df-suc 4474  df-iom 4695  df-xp 4737  df-rel 4738  df-cnv 4739  df-co 4740  df-dm 4741  df-rn 4742  df-res 4743  df-ima 4744  df-iota 5293  df-fun 5335  df-fn 5336  df-f 5337  df-f1 5338  df-fo 5339  df-f1o 5340  df-fv 5341  df-isom 5342  df-riota 5981  df-ov 6031  df-oprab 6032  df-mpo 6033  df-1st 6312  df-2nd 6313  df-recs 6514  df-frec 6600  df-map 6862  df-sup 7243  df-inf 7244  df-pnf 8275  df-mnf 8276  df-xr 8277  df-ltxr 8278  df-le 8279  df-sub 8411  df-neg 8412  df-reap 8814  df-ap 8821  df-div 8912  df-inn 9203  df-2 9261  df-3 9262  df-4 9263  df-n0 9462  df-z 9541  df-uz 9817  df-q 9915  df-rp 9950  df-xneg 10068  df-xadd 10069  df-ioo 10188  df-seqfrec 10773  df-exp 10864  df-cj 11482  df-re 11483  df-im 11484  df-rsqrt 11638  df-abs 11639  df-topgen 13423  df-psmet 14639  df-xmet 14640  df-met 14641  df-bl 14642  df-mopn 14643  df-top 14809  df-bases 14854
This theorem is referenced by:  resubmet  15367  tgioo2cntop  15368  tgioo2  15370
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