I view map/filter as better abstractions than for loops, and do not consider them to be sophisticated language constructs. They correlate with descriptions of a program’s goals much more naturally than for loops do: get the name of each user, remove everyone under 21, only show accounts with positive balances, etc. Reduce is more arguable, but I think it also applies: show the total amount of money in all of this user’s accounts.

“If” however seems pretty fundamental.