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Mirrors > Home > ILE Home > Th. List > exmidomniim | Unicode version |
Description: Given excluded middle, every set is omniscient. Remark following Definition 3.1 of [Pierik], p. 14. This is one direction of the biconditional exmidomni 7142. (Contributed by Jim Kingdon, 29-Jun-2022.) |
Ref | Expression |
---|---|
exmidomniim |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | exmidexmid 4198 |
. . . . . . . . 9
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2 | exmiddc 836 |
. . . . . . . . 9
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3 | 1, 2 | syl 14 |
. . . . . . . 8
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4 | 3 | orcomd 729 |
. . . . . . 7
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5 | 4 | adantr 276 |
. . . . . 6
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6 | ffvelcdm 5651 |
. . . . . . . . . . . . . 14
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7 | df2o3 6433 |
. . . . . . . . . . . . . 14
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8 | 6, 7 | eleqtrdi 2270 |
. . . . . . . . . . . . 13
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9 | elpri 3617 |
. . . . . . . . . . . . 13
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10 | 8, 9 | syl 14 |
. . . . . . . . . . . 12
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11 | 10 | ord 724 |
. . . . . . . . . . 11
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12 | 11 | ralimdva 2544 |
. . . . . . . . . 10
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13 | 12 | con3d 631 |
. . . . . . . . 9
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14 | 13 | adantl 277 |
. . . . . . . 8
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15 | exmidexmid 4198 |
. . . . . . . . . 10
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16 | dfrex2dc 2468 |
. . . . . . . . . 10
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
17 | 15, 16 | syl 14 |
. . . . . . . . 9
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18 | 17 | adantr 276 |
. . . . . . . 8
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19 | 14, 18 | sylibrd 169 |
. . . . . . 7
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20 | 19 | orim1d 787 |
. . . . . 6
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21 | 5, 20 | mpd 13 |
. . . . 5
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22 | 21 | ex 115 |
. . . 4
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23 | 22 | alrimiv 1874 |
. . 3
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24 | isomni 7136 |
. . . 4
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25 | 24 | elv 2743 |
. . 3
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26 | 23, 25 | sylibr 134 |
. 2
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27 | 26 | alrimiv 1874 |
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 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-14 2151 ax-ext 2159 ax-sep 4123 ax-nul 4131 ax-pow 4176 ax-pr 4211 |
This theorem depends on definitions: df-bi 117 df-dc 835 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-rex 2461 df-rab 2464 df-v 2741 df-sbc 2965 df-dif 3133 df-un 3135 df-in 3137 df-ss 3144 df-nul 3425 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-uni 3812 df-br 4006 df-opab 4067 df-exmid 4197 df-id 4295 df-suc 4373 df-xp 4634 df-rel 4635 df-cnv 4636 df-co 4637 df-dm 4638 df-rn 4639 df-iota 5180 df-fun 5220 df-fn 5221 df-f 5222 df-fv 5226 df-1o 6419 df-2o 6420 df-omni 7135 |
This theorem is referenced by: exmidomni 7142 |
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