fix: prove the TreeMap.all equation - #36
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Replace Std.TreeMap.all_eq_all_toList with a theorem derived from the DTreeMap model lemmas now available in Lean 4.33. This removes the old lean4#12798 trust assumption. Validated with lake build.
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Replace Std.TreeMap.all_eq_all_toList with a theorem derived from the DTreeMap model lemmas now available in Lean 4.33. This removes the old lean4#12798 trust assumption.
Validated with lake build.