Richard Fateman <fateman at eecs.berkeley.edu> writes:
> I think you are mistaken in the meaning of the extra
> t or nil to simplifya.
>
> I may be mistaken but I think that t means it should assume
> that everything other than the top level list is simplified,
> so it need not delve any deeper into subexpressions unless required
> to simplify the main operator.
>
> This explanation is consistent with your example.
>
> The nil means simplify everything, but believes the simp flags.
> There is some other way to force simplification of everything,
> which is to bind dosimp to t.
Ahah! Thank you, that makes sense.
Rupert
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