0 = (Equity{T0} + (Revenue{P1} - Expenses{P1} + Gains{P1} - Losses{P1}) + (InvestmentsByOwners{P1} - DistributionsToOwners{P1})) + Liabilities{T1} - Assets{T1} proof:Equity proof:Liabilities proof:Assets proof:Revenues proof:Expenses proof:Gains proof:Losses proof:InvestmentsByOwners proof:DistributionsToOwners