Not to be contrary but I’d call it more than superficial, the inventors of Erlang were using Prolog before they created Erlang. Also, IIRC the first version of

Not to be contrary but I’d call it more than superficial, the inventors of Erlang were using Prolog before they created Erlang. Also, IIRC the first version of what would become Erlang was actually a Prolog variant.