3. Are there inverses? I’ve asserted it, and we’ll see them soon.
3. Are there inverses? I’ve asserted it, and we’ll see them soon.
4. Is (f ? g) ? h = f ? (g ? h)? Note that this is not commuting the sequence…
lhs: (f ? g ) (h(x)) = f(g(h(x)))
rhs: f ? (g (h(x)) = f(g(h(x)))