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Mirrors > Home > MPE Home > Th. List > sotric | Structured version Visualization version GIF version |
Description: A strict order relation satisfies strict trichotomy. (Contributed by NM, 19-Feb-1996.) |
Ref | Expression |
---|---|
sotric | ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → (𝐵𝑅𝐶 ↔ ¬ (𝐵 = 𝐶 ∨ 𝐶𝑅𝐵))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sonr 5611 | . . . . . 6 ⊢ ((𝑅 Or 𝐴 ∧ 𝐵 ∈ 𝐴) → ¬ 𝐵𝑅𝐵) | |
2 | breq2 5152 | . . . . . . 7 ⊢ (𝐵 = 𝐶 → (𝐵𝑅𝐵 ↔ 𝐵𝑅𝐶)) | |
3 | 2 | notbid 318 | . . . . . 6 ⊢ (𝐵 = 𝐶 → (¬ 𝐵𝑅𝐵 ↔ ¬ 𝐵𝑅𝐶)) |
4 | 1, 3 | syl5ibcom 244 | . . . . 5 ⊢ ((𝑅 Or 𝐴 ∧ 𝐵 ∈ 𝐴) → (𝐵 = 𝐶 → ¬ 𝐵𝑅𝐶)) |
5 | 4 | adantrr 714 | . . . 4 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → (𝐵 = 𝐶 → ¬ 𝐵𝑅𝐶)) |
6 | so2nr 5614 | . . . . . 6 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → ¬ (𝐵𝑅𝐶 ∧ 𝐶𝑅𝐵)) | |
7 | imnan 399 | . . . . . 6 ⊢ ((𝐵𝑅𝐶 → ¬ 𝐶𝑅𝐵) ↔ ¬ (𝐵𝑅𝐶 ∧ 𝐶𝑅𝐵)) | |
8 | 6, 7 | sylibr 233 | . . . . 5 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → (𝐵𝑅𝐶 → ¬ 𝐶𝑅𝐵)) |
9 | 8 | con2d 134 | . . . 4 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → (𝐶𝑅𝐵 → ¬ 𝐵𝑅𝐶)) |
10 | 5, 9 | jaod 856 | . . 3 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → ((𝐵 = 𝐶 ∨ 𝐶𝑅𝐵) → ¬ 𝐵𝑅𝐶)) |
11 | solin 5613 | . . . . 5 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → (𝐵𝑅𝐶 ∨ 𝐵 = 𝐶 ∨ 𝐶𝑅𝐵)) | |
12 | 3orass 1089 | . . . . 5 ⊢ ((𝐵𝑅𝐶 ∨ 𝐵 = 𝐶 ∨ 𝐶𝑅𝐵) ↔ (𝐵𝑅𝐶 ∨ (𝐵 = 𝐶 ∨ 𝐶𝑅𝐵))) | |
13 | 11, 12 | sylib 217 | . . . 4 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → (𝐵𝑅𝐶 ∨ (𝐵 = 𝐶 ∨ 𝐶𝑅𝐵))) |
14 | 13 | ord 861 | . . 3 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → (¬ 𝐵𝑅𝐶 → (𝐵 = 𝐶 ∨ 𝐶𝑅𝐵))) |
15 | 10, 14 | impbid 211 | . 2 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → ((𝐵 = 𝐶 ∨ 𝐶𝑅𝐵) ↔ ¬ 𝐵𝑅𝐶)) |
16 | 15 | con2bid 354 | 1 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → (𝐵𝑅𝐶 ↔ ¬ (𝐵 = 𝐶 ∨ 𝐶𝑅𝐵))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 395 ∨ wo 844 ∨ w3o 1085 = wceq 1540 ∈ wcel 2105 class class class wbr 5148 Or wor 5587 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-ext 2702 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-sb 2067 df-clab 2709 df-cleq 2723 df-clel 2809 df-ral 3061 df-rab 3432 df-v 3475 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-nul 4323 df-if 4529 df-sn 4629 df-pr 4631 df-op 4635 df-br 5149 df-po 5588 df-so 5589 |
This theorem is referenced by: soasym 5619 sotr2 5620 sotr3 5627 sotri2 6130 sotri3 6131 somin1 6134 somincom 6135 soisores 7327 soisoi 7328 fimaxg 9296 suplub2 9462 supgtoreq 9471 fiming 9499 infsupprpr 9505 ordtypelem7 9525 fpwwe2 10644 indpi 10908 nqereu 10930 ltsonq 10970 prub 10995 ltapr 11046 suplem2pr 11054 ltsosr 11095 axpre-lttri 11166 noetasuplem4 27581 noetainflem4 27585 sleloe 27599 prproropf1olem4 46632 |
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