I'd say go to the source and read John Backus's original paper[0] on functional programming. Yes, there's some math in it so you could read up on that but the n

I'd say go to the source and read John Backus's original paper[0] on functional programming. Yes, there's some math in it so you could read up on that but the narrative text itself is enough to convey the important concepts of FP. [0] https://dl.acm.org/doi/10.1145/359576.359579 https://dl.acm.org/doi/10.1145/359576.359579