In this paper, I present a new case of overgeneration for the semantic view on identity in ellipsis. Concretely, I show that a radical version of the semantic approach to the identity condition on ellipsis, in particular, one with the notion of mutual entailment at its heart, wrongly predicts as grammatical cases of TP-ellipsis in Spanish where a (formal) present tense feature on T in the antecedent entails a (formal) past tense feature in the elliptical constituent and vice versa. However, this is not attested: present tense cannot serve as a suitable antecedent for formal past tense in TP-ellipsis contexts, regardless of pragmatic entailment. On the basis of this and other new observations in the realm of tense and ellipsis, several consequences for the theory of identity in ellipsis, on the one hand, and the proper representation of tense in natural languages, on the other, are also discussed.
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