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