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leodemoura merged 3 commits into from
Jun 13, 2025
Merged

fix: add grind normalization theorem for Int.negSucc #8775

leodemoura merged 3 commits into from
Jun 13, 2025

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@leodemoura leodemoura commented Jun 13, 2025

This PR adds a grind normalization theorem for Int.negSucc. Example:

example (p : Int) (n : Nat) (hmp : Int.negSucc (n + 1) + 1 = p)
    (hnm : Int.negSucc (n + 1 + 1) + 1 = Int.negSucc (n + 1)) : p = Int.negSucc n := by
  grind

@leodemoura leodemoura added the changelog-language Language features and metaprograms label Jun 13, 2025
@leodemoura leodemoura enabled auto-merge June 13, 2025 16:43
@leodemoura leodemoura added this pull request to the merge queue Jun 13, 2025
auto-merge was automatically disabled June 13, 2025 17:10

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@github-actions github-actions bot added the toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN label Jun 13, 2025
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leanprover-community-bot commented Jun 13, 2025

Mathlib CI status (docs):

  • ❗ Batteries/Mathlib CI will not be attempted unless your PR branches off the nightly-with-mathlib branch. Try git rebase e7132326236c4cd5554b9de3436bbd8984aa03d7 --onto faffe863343211d03d07d4ef19d90a2aa9d6fc8c. You can force Mathlib CI using the force-mathlib-ci label. (2025-06-13 17:12:13)

Merged via the queue into master with commit 4b7ea26 Jun 13, 2025
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algebraic-dev pushed a commit to algebraic-dev/lean4 that referenced this pull request Jun 18, 2025
@leodemoura @algebraic-dev
fix: add grind normalization theorem for Int.negSucc (leanprover#…
54cdf9a 
…8775)

This PR adds a `grind` normalization theorem for `Int.negSucc`. Example:

```lean
example (p : Int) (n : Nat) (hmp : Int.negSucc (n + 1) + 1 = p)
    (hnm : Int.negSucc (n + 1 + 1) + 1 = Int.negSucc (n + 1)) : p = Int.negSucc n := by
  grind
```
wkrozowski pushed a commit to wkrozowski/lean4 that referenced this pull request Jun 24, 2025
@leodemoura @wkrozowski
fix: add grind normalization theorem for Int.negSucc (leanprover#…
06deb0e 
…8775)

This PR adds a `grind` normalization theorem for `Int.negSucc`. Example:

```lean
example (p : Int) (n : Nat) (hmp : Int.negSucc (n + 1) + 1 = p)
    (hnm : Int.negSucc (n + 1 + 1) + 1 = Int.negSucc (n + 1)) : p = Int.negSucc n := by
  grind
```
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