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Proof step 87 from proof leninv-succ (previous step)

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

User applied rule all left

And obtained the following new goals

Proof step 88:
# nσ = ∞, m + 1 < m2, m1 < m2, nσ[m] < nσ[m1], m < m1, m < m2, stutf(nσ), m < m1 → nσ[m1] = nσ[m] + 1, ∀ m0. m < m0 → nσ[m0] = nσ[m] + 1 ⊦ nσ[m2] = nσ[m1]

Rule argument

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

Additional information

Used terms: m1