Same meaning?
Mayers showed that ( computationally quantum ) quantum commitment is impossible : an unconditionally unlimited attacker can break any secure commitment protocol .
Mayers showed that quantum binding is impossible ( computationally quantum ) : an unconditionally unlimited attacker can break any secure commitment protocol .

Answer: yes

Same meaning?
He spent several more years in New York City as a computer consultant and software engineer , then moved to Atlanta in 1998 .
He spent several years in New York City as a computer consultant and software engineer and moved to Atlanta in 1998 .

Answer: yes

Same meaning?
The fully completed action plan , published on 3 March 2006 , will be placed directly in the hands of the Ministers for Ministers by other members of the task force .
The fully completed action plan , published on 3 March 2006 , will be placed directly in the hands of the other ministers by ministerial members of the task force .

Answer: no

Same meaning?
In later life , Procopio became one of Toth 's close friends .
Later in life , Procopio became one of Toth 's close friends .

Answer:
yes