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content/blog/intensional-logic-extends-first-order.md
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---
title: "Intensional Logic Extends First Order"
date: 2022-02-26T20:33:38-05:00
date: 2022-02-26 20:33:38-05:00
draft: false
tags: []
math: true
medium_enabled: true
medium_post_id: 8e07b68aa8f5
tags: []
title: Intensional Logic Extends First Order
---
The second brightest object in the sky is known as the morgensteorra (morning star) and æfensteorra (evening star). Later on this object became known as Venus. [(Wikipedia)](https://en.wikipedia.org/wiki/Venus_in_culture)
@ -21,4 +22,4 @@ In first order logic, we can then deduce the following:
$$
B(\text{morgensteorra} = \text{venus})
$$
But does that make sense? It is possible to hold a belief that Venus is the evening star while not holding a belief that Venus is the morning star. Therefore, we cannot treat belief as a traditional relation symbol. Issues like these give birth to intensional reasoning and from that modal logic.
But does that make sense? It is possible to hold a belief that Venus is the evening star while not holding a belief that Venus is the morning star. Therefore, we cannot treat belief as a traditional relation symbol. Issues like these give birth to intensional reasoning and from that modal logic.