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Mirrors > Home > ILE Home > Th. List > istps | Unicode version |
Description: Express the predicate "is a topological space". (Contributed by Mario Carneiro, 13-Aug-2015.) |
Ref | Expression |
---|---|
istps.a |
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istps.j |
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Ref | Expression |
---|---|
istps |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-topsp 14176 |
. . 3
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2 | 1 | eleq2i 2260 |
. 2
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3 | topontop 14159 |
. . . 4
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4 | topnfn 12845 |
. . . . . . 7
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5 | fnrel 5344 |
. . . . . . 7
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6 | 4, 5 | ax-mp 5 |
. . . . . 6
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7 | 0opn 14151 |
. . . . . . 7
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8 | istps.j |
. . . . . . 7
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9 | 7, 8 | eleqtrdi 2286 |
. . . . . 6
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10 | relelfvdm 5578 |
. . . . . 6
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11 | 6, 9, 10 | sylancr 414 |
. . . . 5
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12 | 11 | elexd 2773 |
. . . 4
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13 | 3, 12 | syl 14 |
. . 3
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14 | fveq2 5546 |
. . . . 5
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15 | 14, 8 | eqtr4di 2244 |
. . . 4
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16 | fveq2 5546 |
. . . . . 6
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17 | istps.a |
. . . . . 6
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18 | 16, 17 | eqtr4di 2244 |
. . . . 5
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19 | 18 | fveq2d 5550 |
. . . 4
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20 | 15, 19 | eleq12d 2264 |
. . 3
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21 | 13, 20 | elab3 2912 |
. 2
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22 | 2, 21 | bitri 184 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-coll 4144 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4462 ax-cnex 7953 ax-resscn 7954 ax-1re 7956 ax-addrcl 7959 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-reu 2479 df-rab 2481 df-v 2762 df-sbc 2986 df-csb 3081 df-dif 3155 df-un 3157 df-in 3159 df-ss 3166 df-nul 3447 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-int 3871 df-iun 3914 df-br 4030 df-opab 4091 df-mpt 4092 df-id 4322 df-xp 4661 df-rel 4662 df-cnv 4663 df-co 4664 df-dm 4665 df-rn 4666 df-res 4667 df-ima 4668 df-iota 5207 df-fun 5248 df-fn 5249 df-f 5250 df-f1 5251 df-fo 5252 df-f1o 5253 df-fv 5254 df-ov 5913 df-oprab 5914 df-mpo 5915 df-1st 6184 df-2nd 6185 df-inn 8973 df-2 9031 df-3 9032 df-4 9033 df-5 9034 df-6 9035 df-7 9036 df-8 9037 df-9 9038 df-ndx 12611 df-slot 12612 df-base 12614 df-tset 12704 df-rest 12842 df-topn 12843 df-top 14143 df-topon 14156 df-topsp 14176 |
This theorem is referenced by: istps2 14178 tpspropd 14181 tsettps 14183 isxms2 14597 |
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