• Compatibility With Strong Unitality Constraints. The diagrams
    commute, i.e. we have
    \begin{align*} \Delta _{\text{pt}} & = \lambda ^{\mathsf{Sets},-1}_{\text{pt}}\\ & = \rho ^{\mathsf{Sets},-1}_{\text{pt}}, \end{align*}

    where we recall that the equalities

    \begin{align*} \lambda ^{\mathsf{Sets}}_{\text{pt}} & = \rho ^{\mathsf{Sets}}_{\text{pt}},\\ \lambda ^{\mathsf{Sets},-1}_{\text{pt}} & = \rho ^{\mathsf{Sets},-1}_{\text{pt}}\end{align*}

    are always true in any monoidal category by , of .


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