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A comment on Ask HN: How to be fluent in functional language speak?. Parent comment

Re:Ask HN: How to be fluent in functional language speak? by twic on Wednesday May 06, 2020 @06:06AM (#23089387)
"binary operators with an identity value"
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Re:Ask HN: How to be fluent in functional language speak? by wLMeOv2qjsFOjZG on Wednesday May 06, 2020 @07:52AM (#23089931)
the binary operation should also be associative (e.g. subtraction is no good)
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