§.XII late close: Assertion ratio — approving associates in mind; consenters are socii by confession's nature
Our reason is twofold.
Those who approve a confession are understood to have joined themselves to it in mind.
And by the very nature of a Christian confession and of Christians who confess, everyone who consents to it is customarily counted its associate.
Latin
Ratio Assertionis nostrae haec est, quòd, ex una parte, qui Confessionem aliquam approbant, illi se eidem associasse animo, intelliguntur; ex altera verò parte, per ipsam Christianae alicujus Confessionis Christianorumque Confitentium Naturam, nemo non hujusmodi Confessioni consentiens, ejusdem socius reputari consuevit.