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Proof step 9 from proof inos-dom (previous step)

∀ key. key ∈ ri0 ↔ key ∈ ri1 ⊦ inodekey(n) ∈ ri0 ↔ inodekey(n) ∈ ri1

User applied rule all left

And closed the goal!

Rule argument

pos: left 1 terms: inodekey(n) abort: F discard: T computed: T

Additional information

Used terms: inodekey(n)