Examples

• The relationship "...is less than or equal to…" represented by the symbol ≤ is a non-strict partial order.

This diagram illustrates this non-strict partial order for the set {2, 3, 4, 5, 6}.

• The relationship "...is greater than or equal to…" represented by the symbol ≥ is a non-strict partial order.
• The relationship "...is a subset of…" represented by the symbol ⊆ is a non-strict partial order.