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4 votes

Implicature vs implication

Usually, conversational implicature is a way of understanding how it is that when someone utters a sentence, they convey more than the literal conventional meaning of the sentence. So, for example, ...
Bumble's user avatar
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3 votes

"Present king of France" as a typical case of material implication

Material implication is the logical rule (P =-> Q) is equivalent to (not-P or Q) You give an example for a correct implication P => Q, but the antecendent P is false. Hence you cannot derive ...
Jo Wehler's user avatar
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2 votes

"Present king of France" as a typical case of material implication

"The present king of France is bald" is one English sentence; "If there is a present king of France, then a present king of France is bald" is another English sentence. Although ...
Stef's user avatar
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2 votes

Is it rational to use disjunctive imperative sentences?

There is a lot to unpack here and I'm not sure I'll answer all of it, so apologies in advance. It is easy to conflate reason and logic and the OP mentions the disjunctive, which is a logical operator ...
Rob's user avatar
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2 votes

What's it called when the consequent is indifferent to the antecedent?

What you have in that case is a consequent Q that holds whether or not the antecedent P is true. In English we often tag a conditional of this kind by using the word 'even' or 'still' or both. E.g. &...
Bumble's user avatar
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2 votes

What's it called when the consequent is indifferent to the antecedent?

Morton's Fork Either you live modestly or you live extravagantly If you live modestly (you saved money), then you can afford charity If you live extravagantly (you're rich), then you can afford ...
Hudjefa's user avatar
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2 votes

Implicature vs implication

But I'm not sure I understand how this is possible and was wondering if someone would be able to provide some example to elucidate the difference between the two scenarios. Context: Medieval prison ...
J D's user avatar
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2 votes

Implicature vs implication

You should read the Wikipedia page on the topic. Quite informative. As far as I can tell, going by what's on Wikipedia, given a proposition, if the implication is false then so is the proposition ...
Hudjefa's user avatar
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2 votes

What's it called when the consequent is indifferent to the antecedent?

A formula that is true regardless of the truth values of any other formulas is known as a "tautology".
Acccumulation's user avatar
1 vote

What's it called when the consequent is indifferent to the antecedent?

In computer logic, that is known as a don't care condition.
niels nielsen's user avatar
1 vote

Does Grice's quotation have a coherent meaning, and if so, what is it?

Short Answer Technically speaking one can have both coherence in meaning, and be bad writing. Just based on the fact that this is a famous logician in a peer-reviewed journal makes the probability of ...
J D's user avatar
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1 vote

Is it rational to use disjunctive imperative sentences?

Short Answer Depending on context, yes. When a parent gives an imperative in the form of an exclusive disjunction to their child, and is known for following through on enforcement, it is a perfectly ...
J D's user avatar
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