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Mirrors > Home > ILE Home > Th. List > tg2 | Unicode version |
Description: Property of a member of a topology generated by a basis. (Contributed by NM, 20-Jul-2006.) |
Ref | Expression |
---|---|
tg2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-topgen 12768 |
. . . . . 6
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2 | 1 | funmpt2 5274 |
. . . . 5
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3 | funrel 5252 |
. . . . 5
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4 | 2, 3 | ax-mp 5 |
. . . 4
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5 | relelfvdm 5566 |
. . . 4
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6 | 4, 5 | mpan 424 |
. . 3
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7 | eltg2b 14031 |
. . . 4
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8 | eleq1 2252 |
. . . . . . 7
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9 | 8 | anbi1d 465 |
. . . . . 6
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10 | 9 | rexbidv 2491 |
. . . . 5
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11 | 10 | rspccv 2853 |
. . . 4
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12 | 7, 11 | biimtrdi 163 |
. . 3
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13 | 6, 12 | mpcom 36 |
. 2
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14 | 13 | imp 124 |
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-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 2162 ax-14 2163 ax-ext 2171 ax-sep 4136 ax-pow 4192 ax-pr 4227 ax-un 4451 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2041 df-mo 2042 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ral 2473 df-rex 2474 df-v 2754 df-sbc 2978 df-un 3148 df-in 3150 df-ss 3157 df-pw 3592 df-sn 3613 df-pr 3614 df-op 3616 df-uni 3825 df-br 4019 df-opab 4080 df-mpt 4081 df-id 4311 df-xp 4650 df-rel 4651 df-cnv 4652 df-co 4653 df-dm 4654 df-iota 5196 df-fun 5237 df-fv 5243 df-topgen 12768 |
This theorem is referenced by: tgclb 14042 tgcnp 14186 txlm 14256 |
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