| Indirect | Direct |
|---|---|
| Inconsistency | Doubt |
| “Get your story straight!” | “Oh yeah? Prove it!” |
| Show that their claims conflict with one another | Show that their claim hasn't been proven |
| Insignificance | Denial |
| “That's small potatoes!” | “No it's not!” |
| Show that their claim, while it might be true, isn't a big deal | Show that their claim is wrong |
| Irrelevance | Retort |
| “That's beside the point!” | “That's backwards!” |
| Show that their claim, while it might be true, is irrelevant | Show that their claim gets things backwards |