Conceptcore
Idempotent substitution
Also called idempotent unifier.
A substitution whose domain does not occur in its range; mgus can always be chosen idempotent.
A substitution whose domain does not occur in its range; mgus can always be chosen idempotent.
About this page
The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.
| Ladder | Level | What the next level needs |
|---|---|---|
| Human proof | H0 no proof |
|
| Lean | L0 no Lean part |
|
| Visual | V0 none |
|
| Writing | W0 stub |
|
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