Operator for $isSubset methods. See Set$isSubset for full details.
Operators can be used for:
| Name | Description | Operator |
| Subset | x is a subset of y | x <= y |
| Proper Subset | x is a proper subset of y | x < y |
| Superset | x is a superset of y | x >= y |
| Proper Superset | x is a proper superset of y | x > y |
# S3 method for Set <(x, y) # S3 method for Set <=(x, y) # S3 method for Set >(x, y) # S3 method for Set >=(x, y)
| x, y |
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