Leonardo de Moura a4496a4a6b chore: remove grind +ringNull option (#9954) ... This PR removes the option `grind +ringNull`. It provided an alternative proof term construction for the `grind ring` module, but it was less effective than the default proof construction mode and had effectively become dead code. This PR also optimizes semiring normalization proof terms using the infrastructure added in #9946. **Remark:** After updating stage0, we can remove several background theorems from the `Init/Grind` folder.		2025-08-17 23:04:59 +00:00
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src	chore: remove grind +ringNull option (#9954)	2025-08-17 23:04:59 +00:00
stdlib	chore: update stage0	2025-08-17 16:58:21 +00:00