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Mirrors > Home > MPE Home > Th. List > Mathboxes > cvrne | Structured version Visualization version GIF version |
Description: The covers relation implies inequality. (Contributed by NM, 13-Oct-2011.) |
Ref | Expression |
---|---|
cvrne.b | ⊢ 𝐵 = (Base‘𝐾) |
cvrne.c | ⊢ 𝐶 = ( ⋖ ‘𝐾) |
Ref | Expression |
---|---|
cvrne | ⊢ (((𝐾 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 𝑋𝐶𝑌) → 𝑋 ≠ 𝑌) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cvrne.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
2 | eqid 2733 | . . 3 ⊢ (lt‘𝐾) = (lt‘𝐾) | |
3 | cvrne.c | . . 3 ⊢ 𝐶 = ( ⋖ ‘𝐾) | |
4 | 1, 2, 3 | cvrlt 38078 | . 2 ⊢ (((𝐾 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 𝑋𝐶𝑌) → 𝑋(lt‘𝐾)𝑌) |
5 | eqid 2733 | . . . 4 ⊢ (le‘𝐾) = (le‘𝐾) | |
6 | 5, 2 | pltval 18281 | . . 3 ⊢ ((𝐾 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋(lt‘𝐾)𝑌 ↔ (𝑋(le‘𝐾)𝑌 ∧ 𝑋 ≠ 𝑌))) |
7 | 6 | simplbda 501 | . 2 ⊢ (((𝐾 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 𝑋(lt‘𝐾)𝑌) → 𝑋 ≠ 𝑌) |
8 | 4, 7 | syldan 592 | 1 ⊢ (((𝐾 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 𝑋𝐶𝑌) → 𝑋 ≠ 𝑌) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 397 ∧ w3a 1088 = wceq 1542 ∈ wcel 2107 ≠ wne 2941 class class class wbr 5147 ‘cfv 6540 Basecbs 17140 lecple 17200 ltcplt 18257 ⋖ ccvr 38070 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 ax-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 ax-un 7720 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2886 df-ne 2942 df-ral 3063 df-rex 3072 df-rab 3434 df-v 3477 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-nul 4322 df-if 4528 df-pw 4603 df-sn 4628 df-pr 4630 df-op 4634 df-uni 4908 df-br 5148 df-opab 5210 df-mpt 5231 df-id 5573 df-xp 5681 df-rel 5682 df-cnv 5683 df-co 5684 df-dm 5685 df-iota 6492 df-fun 6542 df-fv 6548 df-plt 18279 df-covers 38074 |
This theorem is referenced by: cvrnrefN 38090 cvrcmp 38091 cdleme3b 39038 cdleme3c 39039 cdleme7e 39056 |
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