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Proof step 8 from proof depths-size-one (previous step)

# depths(t, i) = 1 ⊦ t = Leaf

User applied rule structural induction

And obtained the following new goals

Proof step 7:
∀ i. # depths(t0, i) = 1 → t0 = Leaf, ∀ i. # depths(t1, i) = 1 → t1 = Leaf, # depths(Node(t0, t1), i) = 1 ⊦ Node(t0, t1) = Leaf

Rule argument

[VARWITHVARSEQSARG : t, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPGEN : tree generated by leaf, node;])]]