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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 4759 |
. 2
| |
| 2 | cardsdom 4760 |
. . . . 5
| |
| 3 | 2 | ancoms 436 |
. . . 4
|
| 4 | 3 | negbid 609 |
. . 3
|
| 5 | cardon 4751 |
. . . 4
| |
| 6 | cardon 4751 |
. . . 4
| |
| 7 | ontri1 2944 |
. . . 4
| |
| 8 | 5, 6, 7 | mp2an 694 |
. . 3
|
| 9 | 4, 8 | syl5bb 530 |
. 2
|
| 10 | 1, 9 | bitr3d 528 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: entri 4762 sdomel 4770 cardsdomel 4775 ondomcard 4780 cardmin 4783 alephsucpw 4793 alephord 4798 alephsucdom 4803 cardaleph 4808 dominf 4827 cdainf 4860 aleph1re 7445 infxpidmlem12 7457 infdif 7462 infdif2 7463 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-4 951 ax-5 952 ax-6 953 ax-7 954 ax-gen 955 ax-8 1101 ax-9 1102 ax-10 1103 ax-12 1104 ax-13 1107 ax-14 1108 ax-11 1180 ax-17 1190 ax-16 1194 ax-11o 1202 ax-ext 1436 ax-rep 2661 ax-sep 2671 ax-nul 2678 ax-pow 2710 ax-pr 2747 ax-un 2830 ax-ac 4668 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 773 df-3an 774 df-ex 957 df-sb 1155 df-eu 1359 df-mo 1360 df-clab 1441 df-cleq 1446 df-clel 1449 df-ne 1563 df-ral 1625 df-rex 1626 df-reu 1627 df-rab 1628 df-v 1787 df-sbc 1913 df-dif 2020 df-un 2021 df-in 2022 df-ss 2024 df-nul 2252 df-pw 2373 df-sn 2383 df-pr 2384 df-tp 2386 df-op 2387 df-uni 2472 df-int 2502 df-iun 2536 df-br 2588 df-opab 2635 df-tr 2649 df-eprel 2794 df-id 2797 df-po 2804 df-so 2814 df-fr 2880 df-we 2897 df-ord 2914 df-on 2915 df-suc 2917 df-xp 3147 df-rel 3148 df-cnv 3149 df-co 3150 df-dm 3151 df-rn 3152 df-res 3153 df-ima 3154 df-fun 3155 df-fn 3156 df-f 3157 df-f1 3158 df-fo 3159 df-f1o 3160 df-fv 3161 df-er 4199 df-en 4305 df-dom 4306 df-sdom 4307 df-card 4740 |