He moved to Morocco 1239 / 40 ( after the fall of Valencia in 1238 ) and continued to work for the sultan there .
He moved to Valencia in 1239/40 ( after the fall of Morocco in 1238 ) and continued to work for the sultan there .

Are these two sentences paraphrases of each other?
no

Griffith asked him when he should declare , Smith said '' Now ! ''
Griffith asked him when he should declare , Smith said '' Now ! '' Now !

Are these two sentences paraphrases of each other?
yes

The Harana is rooted in the Mexican-Spanish tradition and is based on the rhythmic pattern of the Habanera .
The Harana is rooted in the Mexican-Spanish tradition and based on the rhythmic patterns of the habanera .

Are these two sentences paraphrases of each other?
yes

If he saw two white hats , he could conclude that he was wearing a black hat .
If he saw two black hats , he could have assumed that he was wearing a white hat .

Are these two sentences paraphrases of each other?
no