Problem: (1) Bone and stone artefacts similar to those found at Kunda have been discovered elsewhere in Estonia , as well as in Latvia , northern Lithuania and southern Finland .
(2) Bone and stone artefacts similar to those found in Kunda have been discovered throughout Estonia , as well as in Latvia , Northern Lithuania and Southern Finland .

Do (1) and (2) mean the same thing?
A: yes

Problem: (1) In the United States , systems of proportional representation , especially above the local level , are unusual and are completely absent at the national level .
(2) In the United States , systems of proportional representation are uncommon , especially above the national level , and are entirely absent at the local level .

Do (1) and (2) mean the same thing?
A: no

Problem: (1) This may be caused by the loss of three different additional genes , each of which has different effects , resulting in three types of syndrome .
(2) This may be caused by the loss of three different genes , each of which has different additional effects , resulting in three types of syndromes .

Do (1) and (2) mean the same thing?
A: no

Problem: (1) The American philosopher Stanley Cavell helped to re-introduce the book to modern philosophical readers in his collection '' Must We Say What We Mean ? '' ( 1969 ) .
(2) The American philosopher Stanley Cavell helped reintroduce the book in his collection '' Must say what we mean '' ( 1969 ) to modern philosophical readers .

Do (1) and (2) mean the same thing?
A:
yes