17068 contract/ rent/ legal presumption Legal presumptions Volume 1 contract law rent Federal supreme court of Ethiopia cassation decisions presumption in contract law በህግ ግምት የሚሸፇንን የፌሬ ነገር ክርክር በሚመሇከት ተከራካሪ ወገኖች ባያነሱትም ፌ/ቤቱ የህግ ግምቱን ተፇፃሚ ስሇማዴረጉየፌ/ብ/ህ/ቁ.1856 2ዏ24, የፌ/ብ/ሥ/ሥ/ህ/ቁ. 89 Cassation decison no. 17608 '