which is then evaluated...

This application has function expression λs.(s s) and argument expression λs.(s s). To evaluate, the bound variable s in the body expression is replaced with λs.(s s), giving the new function application (λs.(s s) λs.(s s)), which is then evaluated. This application has function expression λs.(s s) and argument expression λs.(s s). To evaluate, the bound variable s in the body expression is replaced with λs.(s s), giving the new function application (λs.(s s) λs.(s s)), which is then evaluated. This application has function expression λs.(s s) and argument expression λs.(s s). To evaluate, the bound variable s in the body expression is replaced with λs.(s s), giving the new function application (λs.(s s) λs.(s s)), which is then evaluated. This application has function expression λs.(s s) and argument expression λs.(s s). To evaluate, the bound variable s in the body expression is replaced with λs.(s s), giving the new function application (λs.(s s) λs.(s s)), which is then evaluated...