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| Mirrors > Home > MPE Home > Th. List > posref | Structured version Visualization version GIF version | ||
| Description: A poset ordering is reflexive. (Contributed by NM, 11-Sep-2011.) (Proof shortened by OpenAI, 25-Mar-2020.) |
| Ref | Expression |
|---|---|
| posi.b | ⊢ 𝐵 = (Base‘𝐾) |
| posi.l | ⊢ ≤ = (le‘𝐾) |
| Ref | Expression |
|---|---|
| posref | ⊢ ((𝐾 ∈ Poset ∧ 𝑋 ∈ 𝐵) → 𝑋 ≤ 𝑋) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | posprs 18273 | . 2 ⊢ (𝐾 ∈ Poset → 𝐾 ∈ Proset ) | |
| 2 | posi.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 3 | posi.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 4 | 2, 3 | prsref 18255 | . 2 ⊢ ((𝐾 ∈ Proset ∧ 𝑋 ∈ 𝐵) → 𝑋 ≤ 𝑋) |
| 5 | 1, 4 | sylan 581 | 1 ⊢ ((𝐾 ∈ Poset ∧ 𝑋 ∈ 𝐵) → 𝑋 ≤ 𝑋) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 class class class wbr 5086 ‘cfv 6492 Basecbs 17170 lecple 17218 Proset cproset 18249 Posetcpo 18264 |
| 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-ext 2709 ax-nul 5241 |
| 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-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-sbc 3730 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-iota 6448 df-fv 6500 df-proset 18251 df-poset 18270 |
| This theorem is referenced by: posasymb 18276 odupos 18283 pleval2 18292 pltval3 18294 pospo 18300 lublecllem 18315 latref 18398 omndmul2 20099 omndmul 20101 gsumle 20111 archirngz 33265 cvrnbtwn2 39735 cvrnbtwn3 39736 cvrnbtwn4 39739 cvrcmp 39743 llncmp 39982 lplncmp 40022 lvolcmp 40077 lubprlem 49449 posjidm 49459 posmidm 49460 |
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