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Proof step 3 from proof dnode-del (previous step)

dnode(md, sdt) -- p = fnode(fid) ⊦ p = ε

User applied rule constructor cut

And obtained the following new goals

Proof step 4:
dnode(md, sdt) -- p = fnode(fid), p = str + p0 ⊦ p = ε

Rule argument

var: p

Additional information

Used simplifier rules: path freely generated by ε, +;;