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fix(frontends/lean/elaborator): incorrect assertion

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It is supposed to be "!first implies is_local(from)"

fixes #807
This commit is contained in:
Leonardo de Moura 2015-08-20 17:55:33 -07:00
parent c32a95bb13
commit 3747ba095a
1 changed files with 1 additions and 1 deletions
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2
src/frontends/lean/elaborator.cpp
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@ -1483,7 +1483,7 @@ expr elaborator::process_obtain_expr(list<obtain_struct> const & s_list, list<ex
expr r = process_obtain_expr(tail(s_list), tail(from_list), new_goal, false, cs, src);
return Fun(new_from, r);
} else {
lean_assert(!first || is_local(from));
lean_assert(first || is_local(from));
expr from_type = whnf(infer_type(from, cs), cs);
buffer<expr> I_args;
expr I = get_app_args(from_type, I_args);