[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 real-floor-ceil

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:
ceil-ge ⊦ r ≤ ⌈r⌉ .r An Axiom
floor-gr-subone ⊦ r < ⌊r⌋ .r + 1.r An Axiom
ceil-ls-add-one ⊦ ⌈r⌉ .r < r + 1.r An Axiom
floor-le ⊦ ⌊r⌋ .r ≤ r An Axiom
ceil-addint ⊦ ⌈r + i.r⌉ = ⌈r⌉ + i A User Theorem
ceil-int ⊦ ⌈i.r⌉ = i A User Theorem
ceil-is-neg-floor-neg ⊦ ⌈r⌉ = ~ ⌊~ r⌋ A User Theorem
ceil-le-int ⊦ ⌈r⌉ ≤ i ↔ r ≤ i.r A User Theorem
ceil-le-negint ⊦ ⌈r⌉ + i ≤ 0 ↔ r + i.r ≤ 0.r A User Theorem
ceil-ls-int ⊦ ⌈r⌉ < i ↔ r + 1.r ≤ i.r A User Theorem
ceil-ls-negint ⊦ ⌈r⌉ + i < 0 ↔ r + 1.r + i.r ≤ 0.r A User Theorem
ceil-notls ⊦ ¬ ⌈r⌉ .r < r A User Theorem
ceil-triang ⊦ ⌈r1 + r2⌉ ≤ ⌈r1⌉ + ⌈r2⌉ A User Theorem
floor-addint ⊦ ⌊r + i.r⌋ = ⌊r⌋ + i A User Theorem
floor-int ⊦ ⌊i.r⌋ = i A User Theorem
floor-le-int ⊦ ⌊r⌋ ≤ i ↔ r < i.r + 1.r A User Theorem
floor-le-negint ⊦ ⌊r⌋ + i ≤ 0 ↔ r + i.r < 1.r A User Theorem
floor-ls-int ⊦ ⌊r⌋ < i ↔ r < i.r A User Theorem
floor-ls-negint ⊦ ⌊r⌋ + i < 0 ↔ r + i.r < 0.r A User Theorem
floor-notls ⊦ ¬ r < ⌊r⌋ .r A User Theorem
floor-triang ⊦ ⌊r1⌋ + ⌊r2⌋ ≤ ⌊r1 + r2⌋ A User Theorem
gr-ceilpred ⊦ ⌈r + ~1.r⌉ .r < r A User Theorem
int-le-ceil ⊦ i ≤ ⌈r⌉ ↔ i.r < r + 1.r A User Theorem
int-le-floor ⊦ i ≤ ⌊r⌋ ↔ i.r ≤ r A User Theorem
int-ls-ceil ⊦ i < ⌈r⌉ ↔ i.r < r A User Theorem
int-ls-floor ⊦ i < ⌊r⌋ ↔ i.r + 1.r ≤ r A User Theorem
le-ceille ⊦ r1 ≤ r2 → ⌈r1⌉ ≤ ⌈r2⌉ A User Theorem
le-floorle ⊦ r1 ≤ r2 → ⌊r1⌋ ≤ ⌊r2⌋ A User Theorem
le-notceilgr ⊦ r1 ≤ r2 → ¬ ⌈r2⌉ < ⌈r1⌉ A User Theorem
le-notfloorgr ⊦ r1 ≤ r2 → ¬ ⌊r2⌋ < ⌊r1⌋ A User Theorem
ls-ceille ⊦ r1 < r2 → ⌈r1⌉ ≤ ⌈r2⌉ A User Theorem
ls-floorle ⊦ r1 < r2 → ⌊r1⌋ ≤ ⌊r2⌋ A User Theorem
ls-floorsuc ⊦ r < ⌊r + 1.r⌋ .r A User Theorem
ls-notceilgr ⊦ r1 < r2 → ¬ ⌈r2⌉ < ⌈r1⌉ A User Theorem
ls-notfloorgr ⊦ r1 < r2 → ¬ ⌊r2⌋ < ⌊r1⌋ A User Theorem
negint-le-ceil ⊦ 0 ≤ i + ⌈r⌉ ↔ 0.r < i.r + r + 1.r A User Theorem
negint-le-floor ⊦ 0 ≤ i + ⌊r⌋ ↔ 0.r ≤ i.r + r A User Theorem
negint-ls-ceil ⊦ 0 < i + ⌈r⌉ ↔ 0.r < i.r + r A User Theorem
negint-ls-floor ⊦ 0 < i + ⌊r⌋ ↔ 1.r ≤ i.r + r A User Theorem