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| Mirrors > Home > MPE Home > Th. List > sotr | Structured version Visualization version GIF version | ||
| Description: A strict order relation is a transitive relation. (Contributed by NM, 21-Jan-1996.) |
| Ref | Expression |
|---|---|
| sotr | ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴 ∧ 𝐷 ∈ 𝐴)) → ((𝐵𝑅𝐶 ∧ 𝐶𝑅𝐷) → 𝐵𝑅𝐷)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sopo 5589 | . 2 ⊢ (𝑅 Or 𝐴 → 𝑅 Po 𝐴) | |
| 2 | potr 5583 | . 2 ⊢ ((𝑅 Po 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴 ∧ 𝐷 ∈ 𝐴)) → ((𝐵𝑅𝐶 ∧ 𝐶𝑅𝐷) → 𝐵𝑅𝐷)) | |
| 3 | 1, 2 | sylan 591 | 1 ⊢ ((𝑅 Or 𝐴 ∧ (𝐵 ∈ 𝐴 ∧ 𝐶 ∈ 𝐴 ∧ 𝐷 ∈ 𝐴)) → ((𝐵𝑅𝐶 ∧ 𝐶𝑅𝐷) → 𝐵𝑅𝐷)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∧ w3a 1101 ∈ wcel 2149 class class class wbr 5113 Po wpo 5568 Or wor 5569 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-ral 3086 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-br 5114 df-po 5570 df-so 5571 |
| This theorem is referenced by: sotrd 5596 sotr2 5604 sotr3 5611 wetrep 5655 wereu2 5659 sotri 6128 suplub2 9420 ltstr 27876 weiunpo 36864 fin2solem 38144 |
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