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| Mirrors > Home > MPE Home > Th. List > Mathboxes > cvrnle | Structured version Visualization version GIF version | ||
| Description: The covers relation implies the negation of the converse "less than or equal to" relation. (Contributed by NM, 18-Oct-2011.) |
| Ref | Expression |
|---|---|
| cvrle.b | ⊢ 𝐵 = (Base‘𝐾) |
| cvrle.l | ⊢ ≤ = (le‘𝐾) |
| cvrle.c | ⊢ 𝐶 = ( ⋖ ‘𝐾) |
| Ref | Expression |
|---|---|
| cvrnle | ⊢ (((𝐾 ∈ Poset ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 𝑋𝐶𝑌) → ¬ 𝑌 ≤ 𝑋) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cvrle.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | eqid 2737 | . . 3 ⊢ (lt‘𝐾) = (lt‘𝐾) | |
| 3 | cvrle.c | . . 3 ⊢ 𝐶 = ( ⋖ ‘𝐾) | |
| 4 | 1, 2, 3 | cvrlt 39271 | . 2 ⊢ (((𝐾 ∈ Poset ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 𝑋𝐶𝑌) → 𝑋(lt‘𝐾)𝑌) |
| 5 | cvrle.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 6 | 1, 5, 2 | pltnle 18383 | . 2 ⊢ (((𝐾 ∈ Poset ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 𝑋(lt‘𝐾)𝑌) → ¬ 𝑌 ≤ 𝑋) |
| 7 | 4, 6 | syldan 591 | 1 ⊢ (((𝐾 ∈ Poset ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 𝑋𝐶𝑌) → ¬ 𝑌 ≤ 𝑋) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 ∧ w3a 1087 = wceq 1540 ∈ wcel 2108 class class class wbr 5143 ‘cfv 6561 Basecbs 17247 lecple 17304 Posetcpo 18353 ltcplt 18354 ⋖ ccvr 39263 |
| 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 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-ral 3062 df-rex 3071 df-rab 3437 df-v 3482 df-sbc 3789 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-op 4633 df-uni 4908 df-br 5144 df-opab 5206 df-mpt 5226 df-id 5578 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-iota 6514 df-fun 6563 df-fv 6569 df-proset 18340 df-poset 18359 df-plt 18375 df-covers 39267 |
| This theorem is referenced by: atnle0 39310 dih1 41288 |
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