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Proof step 18 from proof leninv-inf (previous step)

# nσ = ∞, nσ[m] < nσ[m0], m0 < m1, stutf(nσ) ⊦ nσ[m1] = nσ[m0], ∃ m0. m < m0 ∧ nσ[m] < nσ[m0]

User applied rule exists right

And obtained the following new goals

Proof step 19:
# nσ = ∞, m0 < m1, nσ[m] < nσ[m0], stutf(nσ) ⊦ nσ[m1] = nσ[m0], m < m0 ∧ nσ[m] < nσ[m0]

Rule argument

pos: right 2 terms: m0 abort: F discard: T computed: T

Additional information

Used terms: m0