What is \(\bigvee \varnothing\), called \(0\), in the case of:
\(\mathcal{V}=\mathbf{Bool}=\{\mathbb{B},\leq, true,\land\}\)
\(\mathcal{V}=\mathbf{Cost}=([0,\infty],\geq,0,+)\)
What is the join \(x \vee y\) for Bool and Cost?
\(False\) and \(\infty\) respectively
Logical or and \(min\) respectively