All of them. I'm pretty sure. They are sounds. But, I could be wrong
Colons are not used to introduce omissions.
Answer:
English:
An argument must contain premises and a conclusion. The premises must be explicitly differentiable from that conclusion. Graphically it would look like this: So before writing an argument we must explicitly think about what we want to prove and what reasons we have to conclude that this is true.
Spanish:
Un argumento debe contener premisas y una conclusión. Las premisas deben ser explícitamente diferenciables de esa conclusión. Gráficamente se vería así: Entonces, antes de escribir un argumento debemos pensar explícitamente qué queremos probar y qué razones tenemos para concluir que eso es cierto.
They are going to lose the game because the star player is sick.
