Question

Haskell - How to transform map sum (map (x:) xss) to map (x+) (map sum xss)

score 374 · Answer 1 · 2025-01-02 00:08:41

374

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Haskell - How to transform map sum (map (x:) xss) to map (x+) (map sum xss)

Published on 02 January 2025 at 00:08

score 373 · Answer 2 · 2025-01-02 00:10:04

373

Views

Haskell - How to transform maximum (xs ++ map (x+) xs) to max (maximum xs) (x + maximum xs)

Published on 02 January 2025 at 00:10

score 346 · Answer 3 · 2025-01-02 00:10:07

346

Views

Is it possible to use church encodings without breaking equational reasoning?

Published on 02 January 2025 at 00:10

score 172 · Answer 4 · 2025-01-02 00:07:41

172

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To prove equality of two function definitions inductively

Published on 02 January 2025 at 00:07

score 3.8k · Answer 5 · 2025-01-02 00:03:57

3.8k

Views

If return a = return b then does a=b?

Published on 02 January 2025 at 00:03

score 1.5k · Answer 6 · 2025-01-02 00:03:56

1.5k

Views

Proof by induction with multiple lists

Published on 02 January 2025 at 00:03

score 124 · Answer 7 · 2025-01-02 00:11:33

124

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Keeping track of "state" when writing equality proofs that are long chains of transitively linked steps

Published on 02 January 2025 at 00:11

score 110 · Answer 8 · 2025-01-04 20:30:13

110

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(sequence .) . flip fmap === forM?

Published on 04 January 2025 at 20:30

score 290 · Answer 9 · 2025-01-02 00:08:40

290

Views

Problems with equational proofs and interface resolution in Idris

Published on 02 January 2025 at 00:08

score 341 · Answer 10 · 2025-01-02 00:04:24

341

Views

Prove Transitivity in Haskell semantics

Published on 02 January 2025 at 00:04

score 350 · Answer 11 · 2025-01-02 00:04:23

350

Views

Mapping a strict vs. a lazy function

Published on 02 January 2025 at 00:04

score 340 · Answer 12 · 2025-01-02 00:06:42

340

Views

Induction on lists - Proving Stronger Property (Haskell)

Published on 02 January 2025 at 00:06

score 1.1k · Answer 13 · 2025-01-02 00:04:48

1.1k

Views

Haskell: Equation Expander 1+(1+(1+(1+(…))))=∞

Published on 02 January 2025 at 00:04

score 127 · Answer 14 · 2025-01-02 00:10:51

127

Views

Why is chain of equational reasoning failing to meet trivially solvable constraints?

Published on 02 January 2025 at 00:10

score 144 · Answer 15 · 2025-01-02 00:09:26

144

Views

How does Haskell evaluate this function which undoes list intercalation?

Published on 02 January 2025 at 00:09

score 445 · Answer 16 · 2025-01-02 00:04:22

445

Views

Understanding different foldr statments

Published on 02 January 2025 at 00:04

score 168 · Answer 17 · 2025-01-02 00:09:25

168

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How does Haskell evaluate this function defined with partial application?

Published on 02 January 2025 at 00:09

score 139 · Answer 18 · 2025-01-02 00:02:57

139

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Function evaluation result

Published on 02 January 2025 at 00:02

score 133 · Answer 19 · 2025-01-02 00:07:14

133

Views

reduce(x+y, xs) and sum(xs) are not equivalent in python?

Published on 02 January 2025 at 00:07

score 352 · Answer 20 · 2025-01-02 00:07:40

352

Views

How to prove this Haskell code using equational reasoning

Published on 02 January 2025 at 00:07

List Question

Haskell - How to transform map sum (map (x:) xss) to map (x+) (map sum xss)

Haskell - How to transform maximum (xs ++ map (x+) xs) to max (maximum xs) (x + maximum xs)

Is it possible to use church encodings without breaking equational reasoning?

To prove equality of two function definitions inductively

If return a = return b then does a=b?

Proof by induction with multiple lists

Keeping track of "state" when writing equality proofs that are long chains of transitively linked steps

(sequence .) . flip fmap === forM?

Problems with equational proofs and interface resolution in Idris

Prove Transitivity in Haskell semantics

Mapping a strict vs. a lazy function

Induction on lists - Proving Stronger Property (Haskell)

Haskell: Equation Expander 1+(1+(1+(1+(…))))=∞

Why is chain of equational reasoning failing to meet trivially solvable constraints?

How does Haskell evaluate this function which undoes list intercalation?

Understanding different foldr statments

How does Haskell evaluate this function defined with partial application?

Function evaluation result

reduce(x+y, xs) and sum(xs) are not equivalent in python?

How to prove this Haskell code using equational reasoning

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