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RFC: new versus old code generator issue

bugSomething isn't workingSomething isn't working

Status: Open.

#10372 In leanprover/lean4;

· LucDuponcheelAtGitHub opened on Sep 13, 2025

(kernel) application type mismatch

bugSomething isn't workingSomething isn't working

Status: Open.

#10353 In leanprover/lean4;

· MikaelMayer opened on Sep 11, 2025

RFC: Float Repr should use Scientific notation when too small or too big

RFCRequest for commentsRequest for comments

Status: Open.

#10349 In leanprover/lean4;

· ecyrbe opened on Sep 11, 2025

incremental elaboration of partial mutual definitions under the module system

bugSomething isn't workingSomething isn't working

Status: Open.

#10348 In leanprover/lean4;

· hargoniX opened on Sep 11, 2025

<code>lake setup-file</code> does not detect cycles with unsaved header

bugSomething isn't workingSomething isn't working

Status: Open.

#10336 In leanprover/lean4;

· Kha opened on Sep 10, 2025

Automatic name for instance conflicts with name of private instance

bugSomething isn't workingSomething isn't working

Status: Open.

#10329 In leanprover/lean4;

· datokrat opened on Sep 10, 2025

internal <code>grind</code> error, failed to build disequality proof in grind ac

bugSomething isn't workingSomething isn't working

Status: Open.

#10317 In leanprover/lean4;

· Rob23oba opened on Sep 9, 2025

definitions generated by <code>deriving DecideableEq</code> or <code>deriving Repr</code> trigger the Batteries unused arguments linter

bugSomething isn't workingSomething isn't working

P-mediumWe may work on this issue if we find the timeWe may work on this issue if we find the time

Status: Open.

#10295 In leanprover/lean4;

· kim-em opened on Sep 8, 2025

<code>obtain</code> in <code>decreasing_by</code> block leads to kernel type error

bugSomething isn't workingSomething isn't working

P-mediumWe may work on this issue if we find the timeWe may work on this issue if we find the time

Status: Open.

#10287 In leanprover/lean4;

· datokrat opened on Sep 7, 2025

Internal error in mkElimApp: Expected first 3 arguments of motive in conclusion to be one of the targets

bugSomething isn't workingSomething isn't working

P-mediumWe may work on this issue if we find the timeWe may work on this issue if we find the time

Status: Open.

#10279 In leanprover/lean4;

· kuruczgy opened on Sep 6, 2025

Tactics can modify the elaborated types of theorems with let rec

bugSomething isn't workingSomething isn't working

Status: Open.

#10252 In leanprover/lean4;

· alexb-harmonic opened on Sep 4, 2025

<code>match</code> requires explicitly listing dependencies as scrutinees or causes "type mismatch"

bugSomething isn't workingSomething isn't working

P-lowWe are not planning to work on this issueWe are not planning to work on this issue

Status: Open.

#10222 In leanprover/lean4;

· datokrat opened on Sep 2, 2025