lean2/tests/lean/simp19.lean.expected.out

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Set: pp::colors
Set: pp::unicode
Imported 'cast'
Assumed: vec
Assumed: concat
Assumed: concat_assoc
Assumed: empty
Assumed: concat_empty
Assumed: n
Assumed: v
Assumed: w
Assumed: f
f (v ; w ; empty ; (v ; empty))
===>
f (v ; (w ; v))
hcongr (hcongr (hrefl @f)
(to_heq (subst (refl (vec (n + n + 0 + (n + 0))))
(congr2 vec
(trans (congr (congr2 Nat::add (Nat::add_zeror (n + n))) (Nat::add_zeror n))
(Nat::add_assoc n n n))))))
(htrans (htrans (hcongr (hcongr (hcongr (hcongr (hrefl @concat) (to_heq (Nat::add_zeror (n + n))))
(to_heq (Nat::add_zeror n)))
(htrans (to_heq (concat_empty (v ; w)))
(cast_heq (congr2 vec (symm (Nat::add_zeror (n + n)))) (v ; w))))
(htrans (to_heq (concat_empty v)) (cast_heq (congr2 vec (symm (Nat::add_zeror n))) v)))
(to_heq (concat_assoc v w v)))
(cast_heq (congr2 vec (symm (Nat::add_assoc n n n))) (v ; (w ; v))))