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Mirrors > Home > ILE Home > Th. List > supelti | Unicode version |
Description: Supremum membership in a set. (Contributed by Jim Kingdon, 16-Jan-2022.) |
Ref | Expression |
---|---|
supelti.ti |
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supelti.ex |
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supelti.ss |
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Ref | Expression |
---|---|
supelti |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | supelti.ti |
. . . . 5
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2 | supelti.ss |
. . . . . 6
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3 | supelti.ex |
. . . . . 6
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4 | ssrexv 3101 |
. . . . . 6
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5 | 2, 3, 4 | sylc 62 |
. . . . 5
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6 | 1, 5 | supclti 6773 |
. . . 4
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7 | elisset 2647 |
. . . 4
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8 | 6, 7 | syl 14 |
. . 3
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9 | eqcom 2097 |
. . . 4
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10 | 9 | exbii 1548 |
. . 3
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11 | 8, 10 | sylib 121 |
. 2
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12 | simpr 109 |
. . 3
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13 | 1, 5 | supval2ti 6770 |
. . . . . . . 8
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14 | 13 | eqeq1d 2103 |
. . . . . . 7
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15 | 14 | biimpa 291 |
. . . . . 6
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16 | 1, 5 | supeuti 6769 |
. . . . . . . 8
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17 | riota1 5664 |
. . . . . . . 8
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18 | 16, 17 | syl 14 |
. . . . . . 7
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19 | 18 | adantr 271 |
. . . . . 6
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20 | 15, 19 | mpbird 166 |
. . . . 5
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21 | 20 | simpld 111 |
. . . 4
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22 | 2, 3, 16 | jca32 304 |
. . . . 5
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23 | 20 | simprd 113 |
. . . . 5
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24 | reupick 3299 |
. . . . 5
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25 | 22, 23, 24 | syl2an2r 563 |
. . . 4
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26 | 21, 25 | mpbird 166 |
. . 3
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27 | 12, 26 | eqeltrd 2171 |
. 2
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28 | 11, 27 | exlimddv 1833 |
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 105 ax-ia2 106 ax-ia3 107 ax-in1 582 ax-in2 583 ax-io 668 ax-5 1388 ax-7 1389 ax-gen 1390 ax-ie1 1434 ax-ie2 1435 ax-8 1447 ax-10 1448 ax-11 1449 ax-i12 1450 ax-bndl 1451 ax-4 1452 ax-17 1471 ax-i9 1475 ax-ial 1479 ax-i5r 1480 ax-ext 2077 |
This theorem depends on definitions: df-bi 116 df-3an 929 df-tru 1299 df-fal 1302 df-nf 1402 df-sb 1700 df-eu 1958 df-mo 1959 df-clab 2082 df-cleq 2088 df-clel 2091 df-nfc 2224 df-ral 2375 df-rex 2376 df-reu 2377 df-rmo 2378 df-rab 2379 df-v 2635 df-sbc 2855 df-un 3017 df-in 3019 df-ss 3026 df-sn 3472 df-pr 3473 df-op 3475 df-uni 3676 df-br 3868 df-iota 5014 df-riota 5646 df-sup 6759 |
This theorem is referenced by: zsupcl 11385 |
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