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Mirrors > Home > ILE Home > Th. List > topnvalg | Unicode version |
Description: Value of the topology extractor function. (Contributed by Mario Carneiro, 13-Aug-2015.) (Revised by Jim Kingdon, 11-Feb-2023.) |
Ref | Expression |
---|---|
topnval.1 |
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topnval.2 |
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Ref | Expression |
---|---|
topnvalg |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elex 2700 |
. . 3
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2 | restfn 12163 |
. . . 4
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3 | topnval.2 |
. . . . 5
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4 | tsetslid 12148 |
. . . . . 6
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5 | 4 | slotex 12025 |
. . . . 5
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6 | 3, 5 | eqeltrid 2227 |
. . . 4
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7 | topnval.1 |
. . . . 5
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8 | baseslid 12054 |
. . . . . 6
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9 | 8 | slotex 12025 |
. . . . 5
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10 | 7, 9 | eqeltrid 2227 |
. . . 4
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11 | fnovex 5812 |
. . . 4
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12 | 2, 6, 10, 11 | mp3an2i 1321 |
. . 3
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13 | fveq2 5429 |
. . . . . 6
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14 | 13, 3 | eqtr4di 2191 |
. . . . 5
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15 | fveq2 5429 |
. . . . . 6
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16 | 15, 7 | eqtr4di 2191 |
. . . . 5
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17 | 14, 16 | oveq12d 5800 |
. . . 4
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18 | df-topn 12162 |
. . . 4
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19 | 17, 18 | fvmptg 5505 |
. . 3
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20 | 1, 12, 19 | syl2anc 409 |
. 2
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21 | 20 | eqcomd 2146 |
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 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-13 1492 ax-14 1493 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-coll 4051 ax-sep 4054 ax-pow 4106 ax-pr 4139 ax-un 4363 ax-cnex 7735 ax-resscn 7736 ax-1re 7738 ax-addrcl 7741 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-nf 1438 df-sb 1737 df-eu 2003 df-mo 2004 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ral 2422 df-rex 2423 df-reu 2424 df-rab 2426 df-v 2691 df-sbc 2914 df-csb 3008 df-un 3080 df-in 3082 df-ss 3089 df-pw 3517 df-sn 3538 df-pr 3539 df-op 3541 df-uni 3745 df-int 3780 df-iun 3823 df-br 3938 df-opab 3998 df-mpt 3999 df-id 4223 df-xp 4553 df-rel 4554 df-cnv 4555 df-co 4556 df-dm 4557 df-rn 4558 df-res 4559 df-ima 4560 df-iota 5096 df-fun 5133 df-fn 5134 df-f 5135 df-f1 5136 df-fo 5137 df-f1o 5138 df-fv 5139 df-ov 5785 df-oprab 5786 df-mpo 5787 df-1st 6046 df-2nd 6047 df-inn 8745 df-2 8803 df-3 8804 df-4 8805 df-5 8806 df-6 8807 df-7 8808 df-8 8809 df-9 8810 df-ndx 12001 df-slot 12002 df-base 12004 df-tset 12079 df-rest 12161 df-topn 12162 |
This theorem is referenced by: topnidg 12172 topnpropgd 12173 |
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