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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 5570 | . . . . . 6 ⊢ ((𝑅 Or 𝐴 ∧ 𝐵 ∈ 𝐴) → ¬ 𝐵𝑅𝐵) | |
| 2 | breq2 5111 | . . . . . . 7 ⊢ (𝐵 = 𝐶 → (𝐵𝑅𝐵 ↔ 𝐵𝑅𝐶)) | |
| 3 | 2 | notbid 318 | . . . . . 6 ⊢ (𝐵 = 𝐶 → (¬ 𝐵𝑅𝐵 ↔ ¬ 𝐵𝑅𝐶)) |
| 4 | 1, 3 | syl5ibcom 245 | . . . . 5 ⊢ ((𝑅 Or 𝐴 ∧ 𝐵 ∈ 𝐴) → (𝐵 = 𝐶 → ¬ 𝐵𝑅𝐶)) |
| 5 | 4 | adantrr 717 | . . . 4 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → (𝐵 = 𝐶 → ¬ 𝐵𝑅𝐶)) |
| 6 | so2nr 5574 | . . . . . 6 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → ¬ (𝐵𝑅𝐶 ∧ 𝐶𝑅𝐵)) | |
| 7 | imnan 399 | . . . . . 6 ⊢ ((𝐵𝑅𝐶 → ¬ 𝐶𝑅𝐵) ↔ ¬ (𝐵𝑅𝐶 ∧ 𝐶𝑅𝐵)) | |
| 8 | 6, 7 | sylibr 234 | . . . . 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 859 | . . 3 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → ((𝐵 = 𝐶 ∨ 𝐶𝑅𝐵) → ¬ 𝐵𝑅𝐶)) |
| 11 | solin 5573 | . . . . 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 218 | . . . 4 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → (𝐵𝑅𝐶 ∨ (𝐵 = 𝐶 ∨ 𝐶𝑅𝐵))) |
| 14 | 13 | ord 864 | . . 3 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴)) → (¬ 𝐵𝑅𝐶 → (𝐵 = 𝐶 ∨ 𝐶𝑅𝐵))) |
| 15 | 10, 14 | impbid 212 | . 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 206 ∧ wa 395 ∨ wo 847 ∨ w3o 1085 = wceq 1540 ∈ wcel 2109 class class class wbr 5107 Or wor 5545 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2701 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2708 df-cleq 2721 df-clel 2803 df-ral 3045 df-rab 3406 df-v 3449 df-dif 3917 df-un 3919 df-ss 3931 df-nul 4297 df-if 4489 df-sn 4590 df-pr 4592 df-op 4596 df-br 5108 df-po 5546 df-so 5547 |
| This theorem is referenced by: soasym 5579 sotr2 5580 sotr3 5587 sotri2 6102 sotri3 6103 somin1 6106 somincom 6107 soisores 7302 soisoi 7303 fimaxg 9234 suplub2 9412 supgtoreq 9422 fiming 9451 infsupprpr 9457 ordtypelem7 9477 fpwwe2 10596 indpi 10860 nqereu 10882 ltsonq 10922 prub 10947 ltapr 10998 suplem2pr 11006 ltsosr 11047 axpre-lttri 11118 noetasuplem4 27648 noetainflem4 27652 sleloe 27666 prproropf1olem4 47507 |
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