∀ {ref : Lean.Syntax} {infoTrees : Lean.PersistentArray Lean.Elab.InfoTree} {val : Lean.Expr} {ref_1 : Lean.Syntax}
  {infoTrees_1 : Lean.PersistentArray Lean.Elab.InfoTree} {val_1 : Lean.Expr},
  FBinopElab.Tree.term✝ ref infoTrees val = FBinopElab.Tree.term✝¹ ref_1 infoTrees_1 val_1 →
    ref = ref_1 ∧ infoTrees = infoTrees_1 ∧ val = val_1