lean4-htt

Author SHA1 Message Date

Author	SHA1	Message	Date
Kyle Miller	764386734c	fix: improvements to `change` tactic (#6022 ) This PR makes the `change` tactic and conv tactic use the same elaboration strategy. It works uniformly for both the target and local hypotheses. Now `change` can assign metavariables, for example: ```lean example (x y z : Nat) : x + y = z := by change ?a = _ let w := ?a -- now `w : Nat := x + y` ```	2024-11-16 07:08:29 +00:00
Scott Morrison	dc4c2b14d3	chore: begin moving orphaned tests from Std	2024-02-29 10:54:19 +11:00

Kyle Miller

764386734c

fix: improvements to change tactic (#6022 )

This PR makes the `change` tactic and conv tactic use the same
elaboration strategy. It works uniformly for both the target and local
hypotheses. Now `change` can assign metavariables, for example:
```lean
example (x y z : Nat) : x + y = z := by
  change ?a = _
  let w := ?a
  -- now `w : Nat := x + y`
```

2024-11-16 07:08:29 +00:00

Scott Morrison

dc4c2b14d3

chore: begin moving orphaned tests from Std

2024-02-29 10:54:19 +11:00

2 commits