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Proof step 86 from proof leninv-succ (previous step)

# nσ = ∞, m < m2, m < m1, m1 < m2, stutf(nσ), nσ[m] < nσ[m1], m + 1 < m2, ∀ m0. m < m0 → nσ[m0] = nσ[m] + 1 ⊦ m1 = 0, nσ[m2] = nσ[m1], m2 = 0, nσ[m1] = 0

User applied rule all left

And obtained the following new goals

Proof step 87:
# nσ = ∞, m < m2, m < m1, m1 < m2, stutf(nσ), nσ[m] < nσ[m1], m + 1 < m2, m < m1 → nσ[m1] = nσ[m] + 1, ∀ m0. m < m0 → nσ[m0] = nσ[m] + 1 ⊦ m1 = 0, nσ[m2] = nσ[m1], m2 = 0, nσ[m1] = 0

Rule argument

pos: left 8 terms: m1 abort: F discard: F computed: T

Additional information

Used terms: m1