The phrase "affirmed that all" is correct and usable in written English.
It can be used when stating that someone has confirmed or asserted something regarding a group or collective.
Example: "The committee affirmed that all members were in agreement with the proposed changes."
Alternatives: "confirmed that all" or "asserted that all".
In The Origin of Species (1859), Charles Darwin affirmed that all forms of life share a common ancestry.
In March, the European Union affirmed that all states must adhere to their human rights commitments in regard to safe drinking water.
On Thursday, he offered an olive branch to Jewish leaders, and affirmed that all religions should have a common goal of working for peace.
"The Court today affirmed that all people have the right the safe drinking water, including the people of Flint, Michigan," said Dimple Chaudhary, senior attorney with the Natural Resources Defense Council, which filed the lawsuit.
Governments have now affirmed that all businesses have a direct responsibility for all their impacts and for preventing human rights harms they might cause, whilst ensuring that adequate remedies are available when abuses occur.
He presented a corpuscularian basis for his physics, which denied the atoms-and-void theory of ancient atomism and affirmed that all bodies are composed from one type of matter, which is infinitely divisible (6:239).
An official account of the committee's most recent meeting in July affirmed that "almost all participants" favored Mr. Bernanke's timetable, provided that "economic conditions improved broadly as expected".
Two of the three other Republican gubernatorial candidates — Attorney General Bill Schuette and physician Jim Hines — issued separate but similar-sounding statements that emphasized the value of the Constitution and included nearly identical language affirming that "all people should be treated with dignity and respect".
Hume holds that there are no abstract ideas, and he affirms that all ideas are particular.
Soldiers were produced to describe the withering fire that had been trained on the Americans, and to affirm that all Iraqis were ready to die for their leader.
Naturalism, in philosophy, a theory that relates scientific method to philosophy by affirming that all beings and events in the universe (whatever their inherent character may be) are natural.
