Theoretical vs practical expressivity. You can always insist you were arguing for theoretical expressivity when people start throwing counter-examples at you.

Theoretical vs practical expressivity. You can always insist you were arguing for theoretical expressivity when people start throwing counter-examples at you. https://en.wikipedia.org/wiki/Expressive_power_(computer_science) https://en.wikipedia.org/wiki/Expressive_power_(computer_sci... https://en.wikipedia.org/wiki/Turing_tarpit https://en.wikipedia.org/wiki/Turing_tarpit