8d69909b18
This PR adds support for numerals, lower & upper bounds to the offset
constraint module in the `grind` tactic. `grind` can now solve examples
such as:
```
example (f : Nat → Nat) :
f 2 = a →
b ≤ 1 → b ≥ 1 →
c = b + 1 →
f c = a := by
grind
```
In the example above, the literal `2` and the lower&upper bounds, `b ≤
1` and `b ≥ 1`, are now processed by offset constraint module.
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| bench | ||
| compiler | ||
| elabissues | ||
| ir | ||
| lean | ||
| pkg | ||
| playground | ||
| plugin | ||
| simpperf | ||
| .gitignore | ||
| common.sh | ||
| lean-toolchain | ||