Source: p 53, The Law of Contract, 5 ed (2012), by O’Sullivan and Hilliard
In ordinary commercial practice where there is frequently a sense of formality in the transaction, and where there is a full opportunity for the parties to consider the terms of the proposed contract submitted for signature, it might well be safe to assume that the party who attaches his signature to the contract intends by so doing to acknowledge his acquiescence to its terms, and that the other party entered into the contract upon that belief. This can hardly be said, however, where the contract is entered into[,] in
circumstancessuch as ♦ were present in this case.
What are some formal terms describing this issue? How can a verb follow such as without another subject? Should 'those' (whose antecedent is
circumstances) have been written at the diamond?