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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 18034 | . 2 ⊢ (𝐾 ∈ Poset → 𝐾 ∈ Proset ) | |
2 | posi.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
3 | posi.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
4 | 2, 3 | prsref 18017 | . 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 396 = wceq 1539 ∈ wcel 2106 class class class wbr 5074 ‘cfv 6433 Basecbs 16912 lecple 16969 Proset cproset 18011 Posetcpo 18025 |
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-nul 5230 |
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-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-iota 6391 df-fv 6441 df-proset 18013 df-poset 18031 |
This theorem is referenced by: posasymb 18037 odupos 18046 pleval2 18055 pltval3 18057 pospo 18063 lublecllem 18078 latref 18159 omndmul2 31338 omndmul 31340 gsumle 31350 archirngz 31443 cvrnbtwn2 37289 cvrnbtwn3 37290 cvrnbtwn4 37293 cvrcmp 37297 llncmp 37536 lplncmp 37576 lvolcmp 37631 lubprlem 46256 posjidm 46266 posmidm 46267 |
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