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...or any way of controlling implicit precedence which doesn't require creating ridiculous inheritance hierarchies. https://github.com/scala/scala/commit/c01e44786d
paulp updated
9 years ago
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`Heyting#asCommutativeRing` seems to be broken. The problem is with the [`negate`](https://github.com/non/algebra/blob/0f8f8df5b62473be5bea06266747657b56ff196a/core/src/main/scala/algebra/lattice/Heyt…
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Following the discussion on Arrays in Julia 0.5 #13157 , I want to suggest including new operators for the tensor sum (or direct sum) operation and for the tensor product (outer product).
The tensor …
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With this code:
``` purescript
module Foo where
import qualified Data.Map as M
import Data.Tuple
norm :: forall a. (Ord a) => [Tuple a Number] -> [Tuple a Number]
norm = M.toList
ModuloSe…
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Hello guys,
I have tried to build the library (as downloaded from github) doing:
```
pulp dep update
pulp build
```
The latter command fails with:
```
☁ purescript-echarts [master] pulp build
* B…
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Consider the following theorem
``` lean
mul_sub_mul_div_mul_neg : ∀ {A : Type} [s : linear_ordered_field A] {a b c d : A},
c ≠ 0 → d ≠ 0 → a / c < b / d → (a * d - b * c) / (c * d) < 0
```
The typ…
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While building the code in Chapter 10 using grunt, I have errors regarding Data.Monoid.Additive module : "Unknown type Semiring" (line 48 and 51)
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#900
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The ring and semiring classes extend the `zero_ne_one_class`. While this is usually a good assumption, this excludes degenerate rings and prevents the use of some convenient algebraic facts for possib…
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This could become a huge discussion, but I'll say up front - I don't want to do anything drastic to `Num` all at once.
A very refined type class hierarchy _is_ possible, but I think would be better c…
paf31 updated
9 years ago