| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > 1dimN | Structured version Visualization version GIF version | ||
| Description: An atom is covered by a height-2 element (1-dimensional line). (Contributed by NM, 3-May-2012.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| 2dim.j | ⊢ ∨ = (join‘𝐾) |
| 2dim.c | ⊢ 𝐶 = ( ⋖ ‘𝐾) |
| 2dim.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| Ref | Expression |
|---|---|
| 1dimN | ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴) → ∃𝑞 ∈ 𝐴 𝑃𝐶(𝑃 ∨ 𝑞)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2dim.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 2 | 2dim.c | . . 3 ⊢ 𝐶 = ( ⋖ ‘𝐾) | |
| 3 | 2dim.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 4 | 1, 2, 3 | 2dim 39933 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴) → ∃𝑞 ∈ 𝐴 ∃𝑟 ∈ 𝐴 (𝑃𝐶(𝑃 ∨ 𝑞) ∧ (𝑃 ∨ 𝑞)𝐶((𝑃 ∨ 𝑞) ∨ 𝑟))) |
| 5 | r19.42v 3170 | . . . 4 ⊢ (∃𝑟 ∈ 𝐴 (𝑃𝐶(𝑃 ∨ 𝑞) ∧ (𝑃 ∨ 𝑞)𝐶((𝑃 ∨ 𝑞) ∨ 𝑟)) ↔ (𝑃𝐶(𝑃 ∨ 𝑞) ∧ ∃𝑟 ∈ 𝐴 (𝑃 ∨ 𝑞)𝐶((𝑃 ∨ 𝑞) ∨ 𝑟))) | |
| 6 | 5 | simplbi 496 | . . 3 ⊢ (∃𝑟 ∈ 𝐴 (𝑃𝐶(𝑃 ∨ 𝑞) ∧ (𝑃 ∨ 𝑞)𝐶((𝑃 ∨ 𝑞) ∨ 𝑟)) → 𝑃𝐶(𝑃 ∨ 𝑞)) |
| 7 | 6 | reximi 3076 | . 2 ⊢ (∃𝑞 ∈ 𝐴 ∃𝑟 ∈ 𝐴 (𝑃𝐶(𝑃 ∨ 𝑞) ∧ (𝑃 ∨ 𝑞)𝐶((𝑃 ∨ 𝑞) ∨ 𝑟)) → ∃𝑞 ∈ 𝐴 𝑃𝐶(𝑃 ∨ 𝑞)) |
| 8 | 4, 7 | syl 17 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴) → ∃𝑞 ∈ 𝐴 𝑃𝐶(𝑃 ∨ 𝑞)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∃wrex 3062 class class class wbr 5086 ‘cfv 6493 (class class class)co 7361 joincjn 18271 ⋖ ccvr 39725 Atomscatm 39726 HLchlt 39813 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-ov 7364 df-oprab 7365 df-proset 18254 df-poset 18273 df-plt 18288 df-lub 18304 df-glb 18305 df-join 18306 df-meet 18307 df-p0 18383 df-p1 18384 df-lat 18392 df-clat 18459 df-oposet 39639 df-ol 39641 df-oml 39642 df-covers 39729 df-ats 39730 df-atl 39761 df-cvlat 39785 df-hlat 39814 |
| This theorem is referenced by: (None) |
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