The manufacturers fall back on the simplistic assertion that there is no scientific proof that violent video games lead to violent acts. But sometimes we cannot wait for proof.

Due to lacking documentation, however, there is no scientific proof of age, particularly as there are no birth registers.

The proof?

Proof General

CoqIDE Proof Assistant

We need proof.

They wanted proof.

I have proof.

I need proof.

There's no proof.

Where's your proof?

Where's your proof?

Tom wanted proof.

Tom wanted proof.

Mary wanted proof.

We wanted proof.

Where's the proof?

The manufacturers fall back on the simplistic assertion that there is no scientific proof that violent video games lead to violent acts.

The proof is trivial.

You have no proof.

You have no proof.

Do you want proof?

Do you want proof?

Do you want proof?

Do you want proof?

We have no proof.

The proof is irrefutable.

Do you have proof?

Do you have proof?

Is there any proof?

I have no proof.

I need solid proof.

An assertion isn't a proof.

Is this cage shark proof?

There s no proof of that.

No proof was ever found.

You don't have any proof.

You don't have any proof.

He doesn't have any proof.

She doesn't have any proof.

I didn't have enough proof.

What proof do you have?

We don't have any proof.

Do you have any proof?

What proof do you have?