A categorical imperative "commands a certain line of conduct directly, without assuming or being conditional on any further goal to be reached by that conduct" (4:416).
A categorical imperative commands unconditionally that I should act in some way.
In addition to sense and reference, Frege also recognized what he called the "force" of an utterance the quality by virtue of which it counts as an assertion (You wrote the letter), a question (Did you write the letter?), an imperative or command (Write the letter!), or a request (Please write the letter).
For example, "A solution of CCl4 and Br2 was poured into a dropping funnel" and "The reaction was left to cool and after another hour the TLC was taken" are sentences recorded using the past tense style, whilst "Use bunsen burner to dry flask completely" and "Add reagents, stir and bubble nitrogen through system" are sentences recorded using an imperative or command style.
But Criado‑Perez is a campaigner, and the book – from the imperative command of its title to its earnest, inspirational rhetoric – has the tone of a manifesto.
It is an imperative because it commands and constrains us; it is a categorical imperative because it commands and constrains us absolutely, with ultimate authority and without regard to our preferences or empirical features or circumstances.
It is an imperative because it is a command (e.g., "Leave the gun. Take the cannoli").
Commands usually start with an imperative verb, also known as a 'bossy verb', because they tell someone to do something.
There are all kinds of social imperatives commanding us not to — just as there are all kinds of social imperatives restricting the biological imperative to reproduce.
With ordinary prescriptions, it isn't obvious that there is a state of mind that someone must be in if they utter or obey a command and which we ought to characterize as accepting an imperative.
In contrast to the previously discussed languages, QL4BIM is is an imperative language, i.e. a QL4BIM program consists of a number of commands for the computer to perform sequentially.
