Da Certeza
| Format | Soft cover |
| Language | Portuguese |
| This Edition Published | 2012 |
| Original Title | Über Gewissheit |
| Original Language | German |
| Author | Ludwig Wittgenstein |
| Publisher | Edições 70 |
| Translated by | Maria Elisa Costa |
| Revised by | Sérgio Miranda |
| Introduction by | Sérgio Miranda |
| Cover/Jacket Design by | FBA |
| Series | Biblioteca de Filosofia Contemporânea |
| Printed by | Pentaedro |
| Format | Soft cover |
| Language | Portuguese |
| Location | Portugal |
| This Edition Published | 2012 |
| Pages / Font | 363 pages |
| ISBN | 978-972-44-1608-3 |
| DL (Portuguese) | 331905/11 |
| Barcode | 9789724416083 |
| Series Number | 13 |
Added by Xavier.Rafael