The heightening force is also seen where καί with corrective force may be rendered by or; often to set forth a climax and not an alternative. Thus,
σοφία_ ὀλίγου τινὸς ἀξία_ καὶ οὐδενός
μαχαιροποιοὶ . . . ἀνὰ πέντε μνᾶς καὶ ἕξ
προιοῦσι δὲ καὶ ἀπιοῦσι πόλεμος
καὶ δίκαια κἄ_δικα
κει' μὴ σός
Herbert Weir Smyth [n.d.], A Greek Grammar for Colleges; Machine readable text [info] [word count] [Smyth].