if they are always there if i need them.,
sorry, you cannot prove that something is true if it is not true!
You create a theory. Prove the theory to be true by testing it. If it works, it is true. If it does not work, it is not true.
What do you mean prove that they are true? There's no true or false - they are simply there in the sky, imaginary figures.
Prove that if it were true then there must be a contradiction.
you can't, but you can't prove a negative either.
Manjiro had to eat with chopsticks to prove they were Japanese.
To prove a statement false, you need ONE example of when it is not true.To prove it true, you need to show it is ALWAYS true.
if it's true
Yes
You can not prove it true.
Sexual orientation is personal and not something that needs to be proven. It is important to be true to yourself and not feel pressure to prove anything to others. It's okay to be who you are, regardless of others' opinions.
It is rare and difficult to prove a hypothesis true or false through experimentation. While it is typically easy to prove something completely false, proving it true is another story.