Pointed operad

Example 12.1.5. The pointed operad \(\Ee _0\) has only one non-identity operation: \[ \Ee _0(1) = \{\id \}, \qquad \qquad \Ee _0(0) = \{\eta \}, \qquad \qquad \Ee _0(n) = \emptyset \quad \text { for } \quad n \geq 2. \]