Item:Q13426: Difference between revisions
Created a new Item: double negation, theorem |
Created claim: has part(s) (P8): double negative elimination (Q13425) |
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| Property / instance of | |||
| Property / instance of: theorem / rank | |||
Normal rank | |||
| Property / has part(s) | |||
| Property / has part(s): double negative elimination / rank | |||
Normal rank | |||