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Proof step 2 from proof process-queue (previous step)

((del-list(to_delete, n) * P))(H) ⊦ ⟪tree_buffer_heap_process_queue#(; H, to_delete)⟫ ((2 ≤ n → ((del-list(to_delete, n - 2) * P))(H)) ∧ (n < 2 → to_delete = [] ∧ P(H)))

User applied rule call right

And obtained the following new goals

Proof step 3:
((del-list(to_delete, n) * P))(H) ⊦ ⟪tree_buffer_heap_process_one#(; H, to_delete); tree_buffer_heap_process_one#(; H, to_delete)⟫ ((2 ≤ n → ((del-list(to_delete, n - 2) * P))(H)) ∧ (n < 2 → to_delete = [] ∧ P(H)))

Rule argument

pos: right 1

Additional information

Used simplifier rules: tree_buffer_heap_process_queue#(; H, to_delete) {tree_buffer_heap_process_one#(; H, to_delete); tree_buffer_heap_process_one#(; H, to_delete) };