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Proof step 5 from proof all-classes-01 (previous step)

∃ str. ∀ rk. rk ∈ rks ∧ is_fskey(rk .key) → # rk .key .fs .class .class < # str ⊦ ∃ class. ∀ r, ty, fieldvar. ¬ r -- mkfs(class, ty, fieldvar) ' ∈ rks

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 4:
∀ rk. rk ∈ rks ∧ is_fskey(rk .key) → # rk .key .fs .class .class < # str ⊦ ∃ class. ∀ r, ty, fieldvar. ¬ r -- mkfs(class, ty, fieldvar) ' ∈ rks

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]