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Mirrors > Home > ILE Home > Th. List > limeq | Unicode version |
Description: Equality theorem for the limit predicate. (Contributed by NM, 22-Apr-1994.) (Proof shortened by Andrew Salmon, 25-Jul-2011.) |
Ref | Expression |
---|---|
limeq |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ordeq 4302 |
. . 3
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2 | eleq2 2204 |
. . 3
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3 | id 19 |
. . . 4
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4 | unieq 3753 |
. . . 4
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5 | 3, 4 | eqeq12d 2155 |
. . 3
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6 | 1, 2, 5 | 3anbi123d 1291 |
. 2
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7 | dflim2 4300 |
. 2
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8 | dflim2 4300 |
. 2
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9 | 6, 7, 8 | 3bitr4g 222 |
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-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ral 2422 df-rex 2423 df-in 3082 df-ss 3089 df-uni 3745 df-tr 4035 df-iord 4296 df-ilim 4299 |
This theorem is referenced by: limuni2 4327 |
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