Possible Worlds quote: “In the second place, the concept of conjunction can be conveyed without using any sentence connective whatever. One way - indeed one of the commonest of all ways - of expressing the conjunction of two propositions is simply to use first the sentence expressing one and then the sentence expressing the other. If we want to assert both that there are five oranges in the basket and that there are six apples in the bowl, then we need only utter, one after the other, the two separate sentences “There are five oranges in the basket” and “There are six apples in the bowl.” We will then be taken, correctly, to have asserted both that there are five oranges and that there are six apples in the bowl. The fact that someone who asserts the first one proposition and the another has thereby asserted both of them, licenses the Rule of Conjunction [...]”
Assertion and inference rules
Assertion and inference rules
Assertion and inference rules
Possible Worlds quote: “In the second place, the concept of conjunction can be conveyed without using any sentence connective whatever. One way - indeed one of the commonest of all ways - of expressing the conjunction of two propositions is simply to use first the sentence expressing one and then the sentence expressing the other. If we want to assert both that there are five oranges in the basket and that there are six apples in the bowl, then we need only utter, one after the other, the two separate sentences “There are five oranges in the basket” and “There are six apples in the bowl.” We will then be taken, correctly, to have asserted both that there are five oranges and that there are six apples in the bowl. The fact that someone who asserts the first one proposition and the another has thereby asserted both of them, licenses the Rule of Conjunction [...]”