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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 18284 | . 2 ⊢ (𝐾 ∈ Poset → 𝐾 ∈ Proset ) | |
| 2 | posi.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 3 | posi.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 4 | 2, 3 | prsref 18266 | . 2 ⊢ ((𝐾 ∈ Proset ∧ 𝑋 ∈ 𝐵) → 𝑋 ≤ 𝑋) |
| 5 | 1, 4 | sylan 580 | 1 ⊢ ((𝐾 ∈ Poset ∧ 𝑋 ∈ 𝐵) → 𝑋 ≤ 𝑋) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2109 class class class wbr 5110 ‘cfv 6514 Basecbs 17186 lecple 17234 Proset cproset 18260 Posetcpo 18275 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2702 ax-nul 5264 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2709 df-cleq 2722 df-clel 2804 df-ne 2927 df-ral 3046 df-rex 3055 df-rab 3409 df-v 3452 df-sbc 3757 df-dif 3920 df-un 3922 df-ss 3934 df-nul 4300 df-if 4492 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-br 5111 df-iota 6467 df-fv 6522 df-proset 18262 df-poset 18281 |
| This theorem is referenced by: posasymb 18287 odupos 18294 pleval2 18303 pltval3 18305 pospo 18311 lublecllem 18326 latref 18407 omndmul2 33033 omndmul 33035 gsumle 33045 archirngz 33150 cvrnbtwn2 39275 cvrnbtwn3 39276 cvrnbtwn4 39279 cvrcmp 39283 llncmp 39523 lplncmp 39563 lvolcmp 39618 lubprlem 48954 posjidm 48964 posmidm 48965 |
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