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Mirrors > Home > ILE Home > Th. List > dedekindeulemlub | Unicode version |
Description: Lemma for dedekindeu 14777. The set L has a least upper bound. (Contributed by Jim Kingdon, 31-Jan-2024.) |
Ref | Expression |
---|---|
dedekindeu.lss |
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dedekindeu.uss |
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dedekindeu.lm |
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dedekindeu.um |
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dedekindeu.lr |
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dedekindeu.ur |
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dedekindeu.disj |
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dedekindeu.loc |
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Ref | Expression |
---|---|
dedekindeulemlub |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dedekindeu.lss |
. 2
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2 | dedekindeu.lm |
. . 3
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3 | eleq1w 2254 |
. . . . 5
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4 | 3 | cbvrexv 2727 |
. . . 4
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5 | rexex 2540 |
. . . 4
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6 | 4, 5 | sylbi 121 |
. . 3
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7 | 2, 6 | syl 14 |
. 2
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8 | dedekindeu.uss |
. . 3
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9 | dedekindeu.um |
. . 3
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10 | dedekindeu.lr |
. . 3
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11 | dedekindeu.ur |
. . 3
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12 | dedekindeu.disj |
. . 3
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13 | dedekindeu.loc |
. . 3
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14 | 1, 8, 2, 9, 10, 11, 12, 13 | dedekindeulemub 14772 |
. 2
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15 | 1, 8, 2, 9, 10, 11, 12, 13 | dedekindeulemloc 14773 |
. 2
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16 | axsuploc 8092 |
. 2
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17 | 1, 7, 14, 15, 16 | syl22anc 1250 |
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-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 ax-setind 4569 ax-cnex 7963 ax-resscn 7964 ax-pre-ltwlin 7985 ax-pre-suploc 7993 |
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-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 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-br 4030 df-opab 4091 df-xp 4665 df-cnv 4667 df-pnf 8056 df-mnf 8057 df-xr 8058 df-ltxr 8059 df-le 8060 |
This theorem is referenced by: dedekindeulemlu 14775 |
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