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| Description: Trichotomy law for dominance and strict dominance. This theorem is equivalent to the Axiom of Choice. |
| Ref | Expression |
|---|---|
| domtri |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | carddom 5987 |
. 2
| |
| 2 | cardsdom 5988 |
. . . . 5
| |
| 3 | 2 | ancoms 484 |
. . . 4
|
| 4 | 3 | notbid 673 |
. . 3
|
| 5 | cardon 5976 |
. . . 4
| |
| 6 | cardon 5976 |
. . . 4
| |
| 7 | ontri1 3695 |
. . . 4
| |
| 8 | 5, 6, 7 | mp2an 761 |
. . 3
|
| 9 | 4, 8 | syl5bb 591 |
. 2
|
| 10 | 1, 9 | bitr3d 589 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: entric 5990 sdomel 5999 cardsdomel 6004 ondomcard 6009 cardmin 6012 alephsucpw 6018 alephord 6023 alephsucdom 6028 cardaleph 6033 dominf 6052 cdainf 6087 aleph1re 8820 infxpidmlem12 8832 infdif 8837 infdif2 8838 domtri2 14433 tarsuc2 15245 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-13 1311 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-rep 3428 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 ax-un 3790 ax-ac 5906 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3or 859 df-3an 860 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-ral 2109 df-rex 2110 df-reu 2111 df-rab 2112 df-v 2294 df-sbc 2454 df-csb 2541 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-pss 2607 df-nul 2876 df-pw 3035 df-sn 3049 df-pr 3050 df-tp 3052 df-op 3053 df-uni 3178 df-int 3215 df-iun 3257 df-br 3339 df-opab 3396 df-tr 3412 df-eprel 3583 df-id 3586 df-po 3591 df-so 3604 df-fr 3625 df-we 3644 df-ord 3660 df-on 3661 df-suc 3663 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fun 4008 df-fn 4009 df-f 4010 df-f1 4011 df-fo 4012 df-f1o 4013 df-fv 4014 df-er 5318 df-en 5427 df-dom 5428 df-sdom 5429 df-card 5862 |