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Proof step 2 from proof transaction-length0 (previous step)

# gndx = n, transaction(ndx, gndx) ⊦ # ndx = n ↔ true

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: transaction-length: ⊦ transaction(ndx, gndx) → (# ndx = # gndx ↔ true);