[Imprint][Data Privacy Statement][E-Mail]

Back to main index. View the specification. View theorem base summary, View theorem base listing, the used properties by spec, the dependency list, the symbol table,

Theorem base for Specification product

This is a listing of all goals defined over the current specification. Axioms are marked yellow, proved theorems green and unproved theorems blue. Click on individual names to get more information on the proof.

Name: Sequent: Type:
lrext-def-right ⊦ Πok(lext, rext, lren, rren) → Π(lext, rext, lren, rren)(rren(ra)) = rext(ra) An Axiom
lrexth-def-right ⊦ Πhok(lext, rext, lren, rren, hideext) → Πh(lext, rext, lren, rren, hideext)(rren(ra)) = ((hideext o rext))(ra) An Axiom
hidingproductok-def⊦ Πhok(lext, rext, lren, rren, hideext) ↔ inj(lren) ∧ inj(rren) ∧ surj(lren, rren) ∧ sharingok(lext, rext, lren, rren) ∧ hidingok(lext, rext, lren, rren, hideext) An Axiom
hidingproduct-def⊦ Πh(IOAut(lstart, lstep, lext), IOAut(rstart, rstep, rext), lren, rren, hideext) = IOAut(Π(lstart, rstart), Π(lstep, rstep, lren, rren, lext, rext), Πh(lext, rext, lren, rren, hideext)) An Axiom
productok-def ⊦ Πok(lext, rext, lren, rren) ↔ inj(lren) ∧ inj(rren) ∧ surj(lren, rren) ∧ sharingok(lext, rext, lren, rren) An Axiom
productok-sharedr-not-tau ⊦ Πok(lext, rext, lren, rren) ∧ lren(la) = rren(ra) → (rext(ra) = None ↔ false) A User Theorem
lrexth-def-left ⊦ Πhok(lext, rext, lren, rren, hideext) → Πh(lext, rext, lren, rren, hideext)(lren(la)) = ((hideext o lext))(la) An Axiom
lrstep-def⊦ Π(lstep, rstep, lren, rren, lext, rext)((ls, rs), pa, (ls0, rs0)) ↔ rs = rs0 ∧ (∃ la. lstep(ls, la, ls0) ∧ pa = lren(la) ∧ ¬ cod(rren)(pa)) ∨ ls = ls0 ∧ (∃ ra. rstep(rs, ra, rs0) ∧ pa = rren(ra) ∧ ¬ cod(lren)(pa)) ∨ (∃ la, ra. lstep(ls, la, ls0) ∧ lext(la) ≠ None ∧ pa = lren(la) ∧ rstep(rs, ra, rs0) ∧ rext(ra) ≠ None ∧ pa = rren(ra)) An Axiom
productok-sharedl-not-tau ⊦ Πok(lext, rext, lren, rren) ∧ lren(la) = rren(ra) → (lext(la) = None ↔ false) A User Theorem
sharingok-def⊦ sharingok(lext, rext, lren, rren) ↔ (∀ la, ra. (lren(la) = rren(ra) → lext(la) ≠ None ∧ rext(ra) ≠ None ∧ lext(la) = rext(ra)) ∧ (¬ cod(rren)(lren(la)) ∧ ¬ cod(lren)(rren(ra)) ∧ lext(la) ≠ None ∧ rext(ra) ≠ None → lext(la) ≠ rext(ra))) An Axiom
lrstart-def ⊦ Π(lstart, rstart)((ls, rs)) ↔ lstart(ls) ∧ rstart(rs) An Axiom
PhIOAut⊦ IOAut?(IOAut(lstart, lstep, lext)) ∧ IOAut?(IOAut(rstart, rstep, rext)) ∧ Πhok(lext, rext, lren, rren, hideext) → IOAut?(Πh(IOAut(lstart, lstep, lext), IOAut(rstart, rstep, rext), lren, rren, hideext)) A User Theorem
PCIOAut⊦ IOAut?(IOAut(lstart, lstep, lext)) ∧ IOAut?(IOAut(rstart, rstep, rext)) ∧ Πok(lext, rext, lren, rren) → IOAut?(Π(IOAut(lstart, lstep, lext), IOAut(rstart, rstep, rext), lren, rren)) A User Theorem
surj-def ⊦ surj(lren, rren) ↔ (∀ pa. (∃ la. pa = lren(la)) ∨ (∃ ra. pa = rren(ra))) An Axiom
hidingok-def⊦ hidingok(lext, rext, lren, rren, hideext) ↔ oinj(hideext) ∧ osurj(hideext) ∧ (∀ e. hideext(e) = None ↔ (∃ la, ra. lren(la) = rren(ra) ∧ Some(e) = lext(la) ∧ Some(e) = rext(ra))) An Axiom
productok-injrren ⊦ Πok(lext, rext, lren, rren) → (rren(ra1) = rren(ra2) ↔ ra1 = ra2) A User Theorem
productok-injlren ⊦ Πok(lext, rext, lren, rren) → (lren(la1) = lren(la2) ↔ la1 = la2) A User Theorem
product-def⊦ Π(IOAut(lstart, lstep, lext), IOAut(rstart, rstep, rext), lren, rren) = IOAut(Π(lstart, rstart), Π(lstep, rstep, lren, rren, lext, rext), Π(lext, rext, lren, rren)) An Axiom
lrext-def-left ⊦ Πok(lext, rext, lren, rren) → Π(lext, rext, lren, rren)(lren(la)) = lext(la) An Axiom