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Proof step 20 from proof getbytearray-pseq (previous step)

validref(`docs2store', r, mkarraytype(byte_type), st), ps=(r, st, r1, st1), ¬ st[r -- _length] .intval ≤ 0 ∧ ¬ st[r -- _length] .intval < st1[r1 -- _length] .intval ∧ ¬ st1[r1 -- _length] .intval < 0 → getbytearray(r, 0, st1[r1 -- _length] .intval, st) = getbytearray(r1, 0, st1[r1 -- _length] .intval, st1) ⊦ r = jvmref, getbytearray(r, 0, st[r -- _length] .intval, st) = getbytearray(r1, 0, st1[r1 -- _length] .intval, st1)

User applied rule case distinction

And obtained the following new goals

Proof step 11:
validref(`docs2store', r, mkarraytype(byte_type), st), ps=(r, st, r1, st1) ⊦ ¬ st[r -- _length] .intval ≤ 0 ∧ ¬ st[r -- _length] .intval < st1[r1 -- _length] .intval ∧ ¬ st1[r1 -- _length] .intval < 0, r = jvmref, getbytearray(r, 0, st[r -- _length] .intval, st) = getbytearray(r1, 0, st1[r1 -- _length] .intval, st1)
Proof step 19:
getbytearray(r, 0, st1[r1 -- _length] .intval, st) = getbytearray(r1, 0, st1[r1 -- _length] .intval, st1), validref(`docs2store', r, mkarraytype(byte_type), st), ps=(r, st, r1, st1) ⊦ r = jvmref, getbytearray(r, 0, st[r -- _length] .intval, st) = getbytearray(r1, 0, st1[r1 -- _length] .intval, st1)

Rule argument

[CASEDARG : pos: left 3, ()]

Additional information

[[CONCRETESIMPRULES : ()]]