Question

How to prove (X !-> 3) =[ <{ X := X + 2 }> ]=> (X !-> 5)?

score 68 · Answer 1 · 2024-03-23T12:08:09.453000

68

Views

How to prove (X !-> 3) =[ <{ X := X + 2 }> ]=> (X !-> 5)?

Published on 23 March 2024 at 12:08

score 30 · Answer 2 · 2024-03-19T04:22:54.487000

30

Views

Understanding nat_ind2 in Logical Foundations

Published on 19 March 2024 at 04:22

score 59 · Answer 3 · 2024-01-31T11:21:25.203000

59

Views

How do I apply (S n' <=? m) = true to S n' <= m?

Published on 31 January 2024 at 11:21

score 131 · Answer 4 · 2024-01-29T09:19:12.280000

131

Views

Software Foundations (lf): proving leb_plus_exists and plus_leb_exists

Published on 29 January 2024 at 09:19

score 307 · Answer 5 · 2023-08-24T18:20:08.847000

307

Views

Software Foundations Basics - Theorem lower_grade_lowers need to prove implication Eq = Lt -> Eq = Lt

Published on 24 August 2023 at 18:20

score 365 · Answer 6 · 2023-05-05T20:08:03.340000

365

Views

Software Foundations Basics Exercise - How do I access letter from grade?

Published on 05 May 2023 at 20:08

score 253 · Answer 7 · 2022-07-29T03:42:55.267000

253

Views

I have been stuck on MApp for pumping lemma

Published on 29 July 2022 at 03:42

score 182 · Answer 8 · 2022-07-07T19:58:09.730000

182

Views

Cannot focus on a remaining unfocused goal in Coq

Published on 07 July 2022 at 19:58

score 255 · Answer 9 · 2022-07-02T21:34:21.460000

255

Views

Stuck at the MApp case in Logical Foundation's pumping lemma

Published on 02 July 2022 at 21:34

score 47 · Answer 10 · 2022-01-23T03:09:09.523000

47

Views

Check cnat. and got Type return

Published on 23 January 2022 at 03:09

score 155 · Answer 11 · 2021-12-25T10:17:32.117000

155

Views

How can I prove excluded middle with the given hypothesis (forall P Q : Prop, (P -> Q) -> (~P \/ Q))?

Published on 25 December 2021 at 10:17

score 169 · Answer 12 · 2021-09-11T15:21:33.390000

169

Views

Proving MStar' in Logical Foundations (IndProp.v)

Published on 11 September 2021 at 15:21

score 596 · Answer 13 · 2021-09-05T14:27:23.997000

596

Views

How can I prove `add_le_cases` (`forall n m p q, n + m <= p + q -> n <= p \/ m <= q`)

Published on 05 September 2021 at 14:27

score 66 · Answer 14 · 2021-04-06T10:58:01.670000

66

Views

Mix-up of bool and Datatypes.bool after Require Import coq libraries

Published on 06 April 2021 at 10:58

score 58 · Answer 15 · 2021-03-22T21:18:15.593000

58

Views

Coq proving nonsensical inductive property implication?

Published on 22 March 2021 at 21:18

score 50 · Answer 16 · 2020-10-28T16:59:52.167000

50

Views

How does the grading script of the LF series work for manually graded exercises?

Published on 28 October 2020 at 16:59

score 38 · Answer 17 · 2020-10-10T07:26:59.883000

38

Views

Quick Chick eqBoolArrowA_correct theorem

Published on 10 October 2020 at 07:26

score 534 · Answer 18 · 2020-08-12T20:18:28.690000

534

Views

Coq: unary to binary convertion

Published on 12 August 2020 at 20:18

score 70 · Answer 19 · 2020-08-06T21:11:40.243000

70

Views

Instance of Ord typeclass for option

Published on 06 August 2020 at 21:11

score 164 · Answer 20 · 2020-07-30T16:31:54.413000

164

Views

IndProp: prove that Prop is not provable

Published on 30 July 2020 at 16:31

List Question

How to prove (X !-> 3) =[ <{ X := X + 2 }> ]=> (X !-> 5)?

Understanding nat_ind2 in Logical Foundations

How do I apply (S n' <=? m) = true to S n' <= m?

Software Foundations (lf): proving leb_plus_exists and plus_leb_exists

Software Foundations Basics - Theorem lower_grade_lowers need to prove implication Eq = Lt -> Eq = Lt

Software Foundations Basics Exercise - How do I access letter from grade?

I have been stuck on MApp for pumping lemma

Cannot focus on a remaining unfocused goal in Coq

Stuck at the MApp case in Logical Foundation's pumping lemma

Check cnat. and got Type return

How can I prove excluded middle with the given hypothesis (forall P Q : Prop, (P -> Q) -> (~P \/ Q))?

Proving MStar' in Logical Foundations (IndProp.v)

How can I prove `add_le_cases` (`forall n m p q, n + m <= p + q -> n <= p \/ m <= q`)

Mix-up of bool and Datatypes.bool after Require Import coq libraries

Coq proving nonsensical inductive property implication?

How does the grading script of the LF series work for manually graded exercises?

Quick Chick eqBoolArrowA_correct theorem

Coq: unary to binary convertion

Instance of Ord typeclass for option

IndProp: prove that Prop is not provable

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