Final answer:
Assuming the text refers to 'The False Gems' by Guy de Maupassant, Lantin learns from his ordeal about the deceptive nature of appearances, but his subsequent unhappiness suggests he may not have fully comprehended deeper life lessons. Thus, there is both a 'yes' and a 'cannot be determined' component to the answer.
Step-by-step explanation:
The question is regarding whether Lantin, a character from a literary text, learns from his ordeal. It is not clear which text this refers to, as there may be multiple texts featuring a character named Lantin.
Assuming this refers to Guy de Maupassant's short story 'The False Gems,' we can deduce that Lantin does indeed learn from his experience.
After discovering the false nature of his deceased wife's jewels, which he once thought were real and a symbol of her virtue, he gains a newfound wealth by selling them.
However, the story ends with him remarrying and being much less happy, which suggests that he may have learned about the surface appearances of people and objects but perhaps not about the deeper aspects of relationships or happiness.
This ambiguity means the answer could be interpreted in different ways, but there is a clear indication that his experiences have changed his perspective in some fashion.