[isabelle] Reading a proof
Suppose I have the following:
f :: "nat => nat"
where ax: "f 0 = 0"
lemma "f 0 = 0 | f 0 = 1"
Clearly, auto finds a proof because the first disjunct can be
inferred. I'm trying to dig into the proof and see which disjunct is
actually proved by auto (or simp, when appropriate). I've tried
switching on 'Full Proof' from the Isabelle menu in PG and sticking
'full_prf' after 'apply auto', but I get an error saying
"reconstruct_proof: minimal proof object'. Is there a way to see which
disjunct is proved in either Isar or ML level? Could one see which
disjunct is proved by looking at the proof term? How to retrieve the
Any help will be appreciated. Thanks.
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