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Theorem base for Specification real-supinf

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:
inf-uniquebounded≥(rset), r0 ≤ rset ∧ (∀ r1. r0 < r1 → ¬ r1 ≤ rset), r ≤ rset ∧ (∀ r1. r < r1 → ¬ r1 ≤ rset) ⊦ r0 = r A User Theorem
inf-lowerbound ⊦ bounded≥(rset) → inf(rset) ≤ rset An Axiom
boundedge-neg-boundedle ⊦ bounded≥(rset) ↔ bounded≤(λ r. rset(0.r + ~ r)) A User Theorem
upperbound-def ⊦ rset ≤ r0 ↔ (∀ r. rset(r) → r ≤ r0) An Axiom
lowerbound-def ⊦ r0 ≤ rset ↔ (∀ r. rset(r) → r0 ≤ r) An Axiom
lowbound-neg-upperbound ⊦ r0 ≤ rset ↔ (λ r. rset(0.r + ~ r)) ≤ 0.r + ~ r0 A User Theorem
inf-highest-lowerbound ⊦ bounded≥(rset) ∧ r ≤ rset → r ≤ inf(rset) An Axiom
sup-upperbound ⊦ bounded≤(rset) → rset ≤ sup(rset) An Axiom
inf-exists ⊦ ∀ rset. bounded≥(rset) → (∃ r0. r0 ≤ rset ∧ (∀ r1. r0 < r1 → ¬ r1 ≤ rset)) A User Theorem
sup-lowest-upperbound ⊦ bounded≤(rset) ∧ rset ≤ r → sup(rset) ≤ r An Axiom
sup-uniquebounded≤(rset), rset ≤ r0 ∧ (∀ r1. r1 < r0 → ¬ rset ≤ r1), rset ≤ r ∧ (∀ r1. r1 < r → ¬ rset ≤ r1) ⊦ r0 = r A User Theorem
inf-neg-sup ⊦ bounded≥(rset) → inf(rset) = ~ sup(λ r. rset(0.r + ~ r)) A User Theorem
boundedle-def ⊦ bounded≤(rset) ↔ (∃ r0. rset ≤ r0) An Axiom
sup-exists ⊦ ∀ rset. bounded≤(rset) → (∃ r0. rset ≤ r0 ∧ (∀ r1. r1 < r0 → ¬ rset ≤ r1)) An Axiom
boundedge-def ⊦ bounded≥(rset) ↔ (∃ r0. r0 ≤ rset) An Axiom