The "Need-Less-To-Say" Grice Principle

He challenged Strawson, when he was complaining (Strawson was) that "&", as used by Russell and Whitehead, was unable to capture the temporal sequence in,

"Jill had a child and got married"

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"Surely, if you can't put it in symbols, it's not worth saying", Grice retorted. (First published in good form in Strawson's obituary in The Times). Cheers. JLS