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@inthehands Wow, this was good. TYVM.

I got through three degrees and a library career (every quarter I taught a new crew of work study students how to staff a university reference desk) by posting this above my desk:

A paper has three parts. Assert, A=B, B=C, ∴ A=C, or refute, A=B, B≠C, ∴ A≠C.

Not always applicable, perhaps, but, armed with it, the crews gave good reference assistance. 😅