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Mirrors > Home > MPE Home > Th. List > Mathboxes > opltcon3b | Structured version Visualization version GIF version |
Description: Contraposition law for strict ordering in orthoposets. (chpsscon3 29865 analog.) (Contributed by NM, 4-Nov-2011.) |
Ref | Expression |
---|---|
opltcon3.b | ⊢ 𝐵 = (Base‘𝐾) |
opltcon3.s | ⊢ < = (lt‘𝐾) |
opltcon3.o | ⊢ ⊥ = (oc‘𝐾) |
Ref | Expression |
---|---|
opltcon3b | ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 < 𝑌 ↔ ( ⊥ ‘𝑌) < ( ⊥ ‘𝑋))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | opltcon3.b | . . . 4 ⊢ 𝐵 = (Base‘𝐾) | |
2 | eqid 2738 | . . . 4 ⊢ (le‘𝐾) = (le‘𝐾) | |
3 | opltcon3.o | . . . 4 ⊢ ⊥ = (oc‘𝐾) | |
4 | 1, 2, 3 | oplecon3b 37214 | . . 3 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋(le‘𝐾)𝑌 ↔ ( ⊥ ‘𝑌)(le‘𝐾)( ⊥ ‘𝑋))) |
5 | 1, 2, 3 | oplecon3b 37214 | . . . . 5 ⊢ ((𝐾 ∈ OP ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (𝑌(le‘𝐾)𝑋 ↔ ( ⊥ ‘𝑋)(le‘𝐾)( ⊥ ‘𝑌))) |
6 | 5 | 3com23 1125 | . . . 4 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑌(le‘𝐾)𝑋 ↔ ( ⊥ ‘𝑋)(le‘𝐾)( ⊥ ‘𝑌))) |
7 | 6 | notbid 318 | . . 3 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (¬ 𝑌(le‘𝐾)𝑋 ↔ ¬ ( ⊥ ‘𝑋)(le‘𝐾)( ⊥ ‘𝑌))) |
8 | 4, 7 | anbi12d 631 | . 2 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → ((𝑋(le‘𝐾)𝑌 ∧ ¬ 𝑌(le‘𝐾)𝑋) ↔ (( ⊥ ‘𝑌)(le‘𝐾)( ⊥ ‘𝑋) ∧ ¬ ( ⊥ ‘𝑋)(le‘𝐾)( ⊥ ‘𝑌)))) |
9 | opposet 37195 | . . 3 ⊢ (𝐾 ∈ OP → 𝐾 ∈ Poset) | |
10 | opltcon3.s | . . . 4 ⊢ < = (lt‘𝐾) | |
11 | 1, 2, 10 | pltval3 18057 | . . 3 ⊢ ((𝐾 ∈ Poset ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 < 𝑌 ↔ (𝑋(le‘𝐾)𝑌 ∧ ¬ 𝑌(le‘𝐾)𝑋))) |
12 | 9, 11 | syl3an1 1162 | . 2 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 < 𝑌 ↔ (𝑋(le‘𝐾)𝑌 ∧ ¬ 𝑌(le‘𝐾)𝑋))) |
13 | 9 | 3ad2ant1 1132 | . . 3 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → 𝐾 ∈ Poset) |
14 | 1, 3 | opoccl 37208 | . . . 4 ⊢ ((𝐾 ∈ OP ∧ 𝑌 ∈ 𝐵) → ( ⊥ ‘𝑌) ∈ 𝐵) |
15 | 14 | 3adant2 1130 | . . 3 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → ( ⊥ ‘𝑌) ∈ 𝐵) |
16 | 1, 3 | opoccl 37208 | . . . 4 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵) → ( ⊥ ‘𝑋) ∈ 𝐵) |
17 | 16 | 3adant3 1131 | . . 3 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → ( ⊥ ‘𝑋) ∈ 𝐵) |
18 | 1, 2, 10 | pltval3 18057 | . . 3 ⊢ ((𝐾 ∈ Poset ∧ ( ⊥ ‘𝑌) ∈ 𝐵 ∧ ( ⊥ ‘𝑋) ∈ 𝐵) → (( ⊥ ‘𝑌) < ( ⊥ ‘𝑋) ↔ (( ⊥ ‘𝑌)(le‘𝐾)( ⊥ ‘𝑋) ∧ ¬ ( ⊥ ‘𝑋)(le‘𝐾)( ⊥ ‘𝑌)))) |
19 | 13, 15, 17, 18 | syl3anc 1370 | . 2 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (( ⊥ ‘𝑌) < ( ⊥ ‘𝑋) ↔ (( ⊥ ‘𝑌)(le‘𝐾)( ⊥ ‘𝑋) ∧ ¬ ( ⊥ ‘𝑋)(le‘𝐾)( ⊥ ‘𝑌)))) |
20 | 8, 12, 19 | 3bitr4d 311 | 1 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 < 𝑌 ↔ ( ⊥ ‘𝑌) < ( ⊥ ‘𝑋))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 396 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 class class class wbr 5074 ‘cfv 6433 Basecbs 16912 lecple 16969 occoc 16970 Posetcpo 18025 ltcplt 18026 OPcops 37186 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pr 5352 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-rab 3073 df-v 3434 df-sbc 3717 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-iota 6391 df-fun 6435 df-fv 6441 df-ov 7278 df-proset 18013 df-poset 18031 df-plt 18048 df-oposet 37190 |
This theorem is referenced by: opltcon1b 37219 opltcon2b 37220 cvrcon3b 37291 1cvratex 37487 lhprelat3N 38054 |
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