Same meaning?
He also accompanied duets with Alci Acosta , Olimpo Cardenas and Daniel Santos .
He also recorded duets with Daniel Santos , Olimpo Cardenas , and Alci Acosta .

Answer: yes

Same meaning?
If the n vectors are linearly independent , equality is achieved in the inequality of Hadamard if and only if the vectors are orthogonal .
If the n vectors are linearly independent , equality in Hadamard 's inequality is achieved if and only if the vectors are orthogonal .

Answer: yes

Same meaning?
The house was bought in 1858 by Sir David Dundas of Dunira , who sold it to George Dewhurst of Lymm , Cheshire in 1864 .
The house was bought in 1858 by Sir George Dewhurst of Dunira , who sold it to David Dundas of Lymm , Cheshire in 1864 .

Answer: no

Same meaning?
In 2000 , the Tandy Corporation became the RadioShack Corporation officially .
In 2000 , Tandy Corporation officially became the RadioShack Corporation .

Answer:
yes