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Proof step 38 from proof instore-afterputs (previous step)

instore(r, class, (sk × val) ' + fis, st), unique_al(fis) ⊦ _type = sk, _type ∈ fis, sk ∈ fis, instore(r, class, fis, st[r -- sk, refval(r1)]) ∧ instore(r, class, (sk × refval(r1)) ', st[r -- sk, refval(r1)])

User applied rule case distinction

And obtained the following new goals

Proof step 20:
instore(r, class, (sk × val) ' + fis, st), unique_al(fis) ⊦ instore(r, class, fis, st[r -- sk, refval(r1)]), _type = sk, _type ∈ fis, sk ∈ fis
Proof step 37:
instore(r, class, (sk × val) ' + fis, st), unique_al(fis) ⊦ instore(r, class, (sk × refval(r1)) ', st[r -- sk, refval(r1)]), _type = sk, _type ∈ fis, sk ∈ fis

Rule argument

[CASEDARG : pos: right 4, ()]

Additional information

[[CONCRETESIMPRULES : ()]]