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| Mirrors > Home > ILE Home > Th. List > fimax2gtri | Unicode version | ||
| Description: A finite set has a maximum under a trichotomous order. (Contributed by Jim Kingdon, 5-Sep-2022.) |
| Ref | Expression |
|---|---|
| fimax2gtri.po |
|
| fimax2gtri.tri |
|
| fimax2gtri.fin |
|
| fimax2gtri.n0 |
|
| Ref | Expression |
|---|---|
| fimax2gtri |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | raleq 2731 |
. . 3
| |
| 2 | 1 | rexbidv 2534 |
. 2
|
| 3 | raleq 2731 |
. . 3
| |
| 4 | 3 | rexbidv 2534 |
. 2
|
| 5 | raleq 2731 |
. . 3
| |
| 6 | 5 | rexbidv 2534 |
. 2
|
| 7 | raleq 2731 |
. . 3
| |
| 8 | 7 | rexbidv 2534 |
. 2
|
| 9 | fimax2gtri.n0 |
. . . . 5
| |
| 10 | fimax2gtri.fin |
. . . . . 6
| |
| 11 | fin0 7117 |
. . . . . 6
| |
| 12 | 10, 11 | syl 14 |
. . . . 5
|
| 13 | 9, 12 | mpbid 147 |
. . . 4
|
| 14 | ral0 3598 |
. . . . . 6
| |
| 15 | 14 | biantru 302 |
. . . . 5
|
| 16 | 15 | exbii 1654 |
. . . 4
|
| 17 | 13, 16 | sylib 122 |
. . 3
|
| 18 | df-rex 2517 |
. . 3
| |
| 19 | 17, 18 | sylibr 134 |
. 2
|
| 20 | breq1 4096 |
. . . . . 6
| |
| 21 | 20 | notbid 673 |
. . . . 5
|
| 22 | 21 | ralbidv 2533 |
. . . 4
|
| 23 | 22 | cbvrexv 2769 |
. . 3
|
| 24 | fimax2gtri.po |
. . . . . . 7
| |
| 25 | 24 | ad4antr 494 |
. . . . . 6
|
| 26 | fimax2gtri.tri |
. . . . . . 7
| |
| 27 | 26 | ad4antr 494 |
. . . . . 6
|
| 28 | 10 | ad4antr 494 |
. . . . . 6
|
| 29 | 9 | ad4antr 494 |
. . . . . 6
|
| 30 | simp-4r 544 |
. . . . . 6
| |
| 31 | simprl 531 |
. . . . . . 7
| |
| 32 | 31 | ad2antrr 488 |
. . . . . 6
|
| 33 | simplr 529 |
. . . . . 6
| |
| 34 | simprr 533 |
. . . . . . . 8
| |
| 35 | 34 | ad2antrr 488 |
. . . . . . 7
|
| 36 | 35 | eldifad 3212 |
. . . . . 6
|
| 37 | 35 | eldifbd 3213 |
. . . . . 6
|
| 38 | simpr 110 |
. . . . . 6
| |
| 39 | 25, 27, 28, 29, 30, 32, 33, 36, 37, 38 | fimax2gtrilemstep 7133 |
. . . . 5
|
| 40 | 39 | ex 115 |
. . . 4
|
| 41 | 40 | rexlimdva 2651 |
. . 3
|
| 42 | 23, 41 | biimtrid 152 |
. 2
|
| 43 | 2, 4, 6, 8, 19, 42, 10 | findcard2sd 7124 |
1
|
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4209 ax-sep 4212 ax-nul 4220 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-iinf 4692 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-ral 2516 df-rex 2517 df-reu 2518 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-if 3608 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-tr 4193 df-id 4396 df-po 4399 df-iord 4469 df-on 4471 df-suc 4474 df-iom 4695 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-er 6745 df-en 6953 df-fin 6955 |
| This theorem is referenced by: fimaxq 11154 |
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