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Reliability of Usages &

Reliability of Usages & the Usage Calculus

“For every I/O with capability,a corresponding O/I with obligation”

new x:[]/(Oo|Ic|Ic) in (x![] | x?[].P | x?[].Q)? new x:[]/Ic in x?[].Q

Oo|Ic|Ic ? Ic

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Reliability of Usages & the Usage Calculus

“For every I/O with capability, a corresponding O/I with obligation”

new x:[]/(Oo|Ic|Ic) in (x![] | x?[].P | x?[].Q) ? new x:[]/Ic in x?[].Q

Oo|Ic|Ic ? Ic

“For every I/O with capability,a corresponding O/I with obligation”

new x:[]/(Oo|Ic|Ic) in (x![] | x?[].P | x?[].Q)? new x:[]/Ic in x?[].Q