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Mirrors > Home > ILE Home > Th. List > cnvti | Unicode version |
Description: If a relation satisfies a condition corresponding to tightness of an apartness generated by an order, so does its converse. (Contributed by Jim Kingdon, 17-Dec-2021.) |
Ref | Expression |
---|---|
eqinfti.ti |
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Ref | Expression |
---|---|
cnvti |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqinfti.ti |
. . 3
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2 | ancom 262 |
. . 3
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3 | 1, 2 | syl6bb 194 |
. 2
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4 | brcnvg 4573 |
. . . . 5
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5 | 4 | notbid 625 |
. . . 4
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6 | brcnvg 4573 |
. . . . . 6
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7 | 6 | ancoms 264 |
. . . . 5
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8 | 7 | notbid 625 |
. . . 4
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9 | 5, 8 | anbi12d 457 |
. . 3
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10 | 9 | adantl 271 |
. 2
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11 | 3, 10 | bitr4d 189 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 577 ax-in2 578 ax-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2065 ax-sep 3922 ax-pow 3974 ax-pr 3999 |
This theorem depends on definitions: df-bi 115 df-3an 922 df-tru 1288 df-nf 1391 df-sb 1688 df-eu 1946 df-mo 1947 df-clab 2070 df-cleq 2076 df-clel 2079 df-nfc 2212 df-v 2614 df-un 2988 df-in 2990 df-ss 2997 df-pw 3408 df-sn 3428 df-pr 3429 df-op 3431 df-br 3812 df-opab 3866 df-cnv 4407 |
This theorem is referenced by: eqinfti 6620 infvalti 6622 infclti 6623 inflbti 6624 infglbti 6625 infmoti 6628 infsnti 6630 infisoti 6632 infrenegsupex 8975 |
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