Final answer:
In Edmond Rostand's play, Count de Guiche is not a Gascon; this statement is false and based on the character's description and actions, rather than logic.
Step-by-step explanation:
In the play Cyrano de Bergerac by Edmond Rostand, Count de Guiche is not a Gascon by birth. Instead, he is often seen in contrast to the Gascon characters, such as Cyrano and his friends, who are proud of their Gascon heritage. The statement in the question is therefore false. If we apply logical reasoning to the question, similar to the provided examples stating that 'all gazintz are gazatz' and 'all gazatz are garingers', we come to the conclusion that if 'all gazintz are garingers' holds true, then we can say similar logical structures can be applied in literature analysis. However, a character's origin is usually a specified fact rather than a conclusion drawn from logic.