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| Mirrors > Home > MPE Home > Th. List > Mathboxes > cvrntr | Structured version Visualization version GIF version | ||
| Description: The covers relation is not transitive. (cvntr 32773 analog.) (Contributed by NM, 18-Jun-2012.) |
| Ref | Expression |
|---|---|
| cvrntr.b | ⊢ 𝐵 = (Base‘𝐾) |
| cvrntr.c | ⊢ 𝐶 = ( ⋖ ‘𝐾) |
| Ref | Expression |
|---|---|
| cvrntr | ⊢ ((𝐾 ∈ 𝐴 ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋𝐶𝑌 ∧ 𝑌𝐶𝑍) → ¬ 𝑋𝐶𝑍)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cvrntr.b | . . . . 5 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | eqid 2760 | . . . . 5 ⊢ (lt‘𝐾) = (lt‘𝐾) | |
| 3 | cvrntr.c | . . . . 5 ⊢ 𝐶 = ( ⋖ ‘𝐾) | |
| 4 | 1, 2, 3 | cvrlt 40143 | . . . 4 ⊢ (((𝐾 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 𝑋𝐶𝑌) → 𝑋(lt‘𝐾)𝑌) |
| 5 | 4 | ex 418 | . . 3 ⊢ ((𝐾 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋𝐶𝑌 → 𝑋(lt‘𝐾)𝑌)) |
| 6 | 5 | 3adant3r3 1203 | . 2 ⊢ ((𝐾 ∈ 𝐴 ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → (𝑋𝐶𝑌 → 𝑋(lt‘𝐾)𝑌)) |
| 7 | 1, 2, 3 | ltcvrntr 40297 | . 2 ⊢ ((𝐾 ∈ 𝐴 ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋(lt‘𝐾)𝑌 ∧ 𝑌𝐶𝑍) → ¬ 𝑋𝐶𝑍)) |
| 8 | 6, 7 | syland 615 | 1 ⊢ ((𝐾 ∈ 𝐴 ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋𝐶𝑌 ∧ 𝑌𝐶𝑍) → ¬ 𝑋𝐶𝑍)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 class class class wbr 5103 ‘cfv 6533 Basecbs 17301 ltcplt 18396 ⋖ ccvr 40135 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-iota 6489 df-fun 6535 df-fv 6541 df-covers 40139 |
| This theorem is used by: atcvr0eq 40299 lnnat 40300 |
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