(no subject)
Heidegger does think freedom is rooted in nothingness. He also says we derive our concept of logical negation from this experience of nothing. Since Heidegger does not think that dogs have such experiences, he is committed to skepticism about animal reasoning involving negation. Consider the Stoic example of a dog that is following a trail. The dog reaches a fork in the road, sniffs at one road and then, without a further sniff, proceeds down the only remaining road. The Stoics took this as evidence that the dog has performed a disjunctive syllogism: "Either my quarry went down this road or that road. Sniff - he did not go down that road. Therefore, he went down this road." Heidegger must discount this as anthropomorphism.