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| Mirrors > Home > MPE Home > Th. List > oduleg | Structured version Visualization version GIF version | ||
| Description: Truth of the less-equal relation in an order dual structure. (Contributed by Stefan O'Rear, 29-Jan-2015.) |
| Ref | Expression |
|---|---|
| oduval.d | ⊢ 𝐷 = (ODual‘𝑂) |
| oduval.l | ⊢ ≤ = (le‘𝑂) |
| oduleg.g | ⊢ 𝐺 = (le‘𝐷) |
| Ref | Expression |
|---|---|
| oduleg | ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (𝐴𝐺𝐵 ↔ 𝐵 ≤ 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oduleg.g | . . . 4 ⊢ 𝐺 = (le‘𝐷) | |
| 2 | oduval.d | . . . . 5 ⊢ 𝐷 = (ODual‘𝑂) | |
| 3 | oduval.l | . . . . 5 ⊢ ≤ = (le‘𝑂) | |
| 4 | 2, 3 | oduleval 18369 | . . . 4 ⊢ ◡ ≤ = (le‘𝐷) |
| 5 | 1, 4 | eqtr4i 2791 | . . 3 ⊢ 𝐺 = ◡ ≤ |
| 6 | 5 | breqi 5117 | . 2 ⊢ (𝐴𝐺𝐵 ↔ 𝐴◡ ≤ 𝐵) |
| 7 | brcnvg 5867 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (𝐴◡ ≤ 𝐵 ↔ 𝐵 ≤ 𝐴)) | |
| 8 | 6, 7 | bitrid 286 | 1 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (𝐴𝐺𝐵 ↔ 𝐵 ≤ 𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2146 class class class wbr 5111 ◡ccnv 5662 ‘cfv 6540 lecple 17341 ODualcodu 18366 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11173 ax-resscn 11174 ax-1cn 11175 ax-icn 11176 ax-addcl 11177 ax-addrcl 11178 ax-mulcl 11179 ax-mulrcl 11180 ax-mulcom 11181 ax-addass 11182 ax-mulass 11183 ax-distr 11184 ax-i2m1 11185 ax-1ne0 11186 ax-1rid 11187 ax-rnegex 11188 ax-rrecex 11189 ax-cnre 11190 ax-pre-lttri 11191 ax-pre-lttrn 11192 ax-pre-ltadd 11193 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-pnf 11262 df-mnf 11263 df-ltxr 11265 df-nn 12251 df-2 12320 df-3 12321 df-4 12322 df-5 12323 df-6 12324 df-7 12325 df-8 12326 df-9 12327 df-dec 12730 df-sets 17248 df-slot 17266 df-ndx 17278 df-ple 17354 df-odu 18367 |
| This theorem is used by: oduoppcciso 50403 |
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