 We theoretically prove that a popular choice of contrastive loss is equivalent to reducing the exposure bias via inverse propensity scoring, which complements previous understanding of contrastive learning.
<clarity>  We theoretically prove that a popular choice of contrastive loss is equivalent to reducing the exposure bias via inverse propensity scoring, which complements previous understanding of contrastive learning.
 We theoretically prove that a popular choice of contrastive loss is equivalent to reducing the exposure bias via inverse propensity scoring, which provides a new perspective on the effectiveness of contrastive learning.