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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 17561 | . 2 ⊢ (𝐾 ∈ Poset → 𝐾 ∈ Proset ) | |
2 | posi.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
3 | posi.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
4 | 2, 3 | prsref 17544 | . 2 ⊢ ((𝐾 ∈ Proset ∧ 𝑋 ∈ 𝐵) → 𝑋 ≤ 𝑋) |
5 | 1, 4 | sylan 582 | 1 ⊢ ((𝐾 ∈ Poset ∧ 𝑋 ∈ 𝐵) → 𝑋 ≤ 𝑋) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 class class class wbr 5068 ‘cfv 6357 Basecbs 16485 lecple 16574 Proset cproset 17538 Posetcpo 17552 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-nul 5212 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ral 3145 df-rex 3146 df-rab 3149 df-v 3498 df-sbc 3775 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4841 df-br 5069 df-iota 6316 df-fv 6365 df-proset 17540 df-poset 17558 |
This theorem is referenced by: posasymb 17564 pleval2 17577 pltval3 17579 pospo 17585 lublecllem 17600 latref 17665 odupos 17747 omndmul2 30715 omndmul 30717 gsumle 30727 archirngz 30820 cvrnbtwn2 36413 cvrnbtwn3 36414 cvrnbtwn4 36417 cvrcmp 36421 llncmp 36660 lplncmp 36700 lvolcmp 36755 |
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