diff --git a/Everything/Guardedness.agda b/Everything/Guardedness.agda index 08f8090..8d7f7b8 100644 --- a/Everything/Guardedness.agda +++ b/Everything/Guardedness.agda @@ -8,6 +8,7 @@ open import Rings.Orders.Partial.Bounded open import Rings.Orders.Total.Bounded open import Rings.Orders.Total.BaseExpansion open import Fields.Orders.Limits.Lemmas +open import Rings.Orders.Total.Examples --open import Fields.CauchyCompletion.Archimedean open import Sets.Cardinality.Infinite.Examples diff --git a/Rings/Orders/Total/Examples.agda b/Rings/Orders/Total/Examples.agda new file mode 100644 index 0000000..98daa30 --- /dev/null +++ b/Rings/Orders/Total/Examples.agda @@ -0,0 +1,58 @@ +{-# OPTIONS --safe --warning=error --without-K --guardedness #-} + +open import Agda.Primitive using (Level; lzero; lsuc; _⊔_) +open import LogicalFormulae +open import Groups.Lemmas +open import Groups.Definition +open import Setoids.Orders.Total.Definition +open import Setoids.Setoids +open import Functions.Definition +open import Sets.EquivalenceRelations +open import Rings.Definition +open import Rings.Orders.Total.Definition +open import Rings.Orders.Partial.Definition +open import Numbers.Naturals.Semiring +open import Numbers.Naturals.Order +open import Numbers.Modulo.Definition +open import Semirings.Definition +open import Orders.Total.Definition +open import Sequences +open import Numbers.Integers.Definition +open import Numbers.Integers.Addition +open import Numbers.Integers.Multiplication +open import Numbers.Integers.Order +open import Numbers.Rationals.Definition +open import Vectors +open import Fields.Fields + +module Rings.Orders.Total.Examples where + +open import Rings.Orders.Total.BaseExpansion (ℚOrdered) {10} (le 8 refl) +open Field ℚField + +t : Vec ℚ 5 +t = take 5 (partialSums (funcToSequence injectionNQ)) + +u : Vec ℚ 5 +u = vecMap injectionNQ (0 ,- (1 ,- (3 ,- (6 ,- (10 ,- []))))) + +pr : Vec (ℚ && ℚ) 5 +pr = vecZip t u + +ans : vecAllTrue (λ x → _&&_.fst x =Q _&&_.snd x) pr +ans = refl ,, (refl ,, (refl ,, (refl ,, (refl ,, record {})))) + +open import Rings.InitialRing ℚRing + +a : Sequence ℚ +a with allInvertible (fromN 10) (λ ()) +... | 1/10 , pr1/10 = approximations 1/10 pr1/10 (baseNExpansion (underlying (allInvertible (injectionNQ 7) λ ())) (lessInherits (succIsPositive 0)) (lessInherits (le 5 refl))) + +expected : Vec ℚ _ +expected = record { num = nonneg 1 ; denom = nonneg 10 ; denomNonzero = f } ,- record { num = nonneg 14 ; denom = nonneg 100 ; denomNonzero = λ () } ,- record { num = nonneg 142 ; denom = nonneg 1000 ; denomNonzero = λ () } ,- [] + where + f : nonneg 10 ≡ nonneg 0 → False + f () + +ans' : vecAllTrue (λ x → _&&_.fst x =Q _&&_.snd x) (vecZip (take _ a) expected) +ans' = refl ,, (refl ,, (refl ,, record {}))