Logomacy
Between logomachy and logomancy . . .

grice’s maxims
Maxim of Quantity:

1. Make your contribution to the conversation as informative as necessary.
2. Do not make your contribution to the conversation more informative than necessary.

Maxim of Quality:

1. Do not say what you believe to be false.
2. Do not say that for which you lack adequate evidence.

Maxim of Relevance:

Be relevant (i.e., say things related to the current topic of the conversation).

Maxim of Manner:

1. Avoid obscurity of expression.
2. Avoid ambiguity.
3. Be brief (avoid unnecessary wordiness).
4. Be orderly.

via The Tensor