There is plenty of discussion of this, and the fine points of how substitution works, in Hankin and in various of the tutorials we've linked to about the lambda calculus. We expect you have a good intuitive understanding of what to do already, though, even if you're not able to articulate it rigorously.
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+* [More discussion in week 2 notes](/week2/#index1h1)
Shorthand
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-[Correction: OCaml is Turing complete, but I'm not sure if the merely functional part is; I suspect it's not.]
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Rosetta Stone
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