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Statement List for Quantum Logic Explorer - 701-800 - Page 8 of 11
TypeLabelDescription
Statement
 
Theoremu5lemle2 701 Relevance implication to l.e.
(a ->5 b) = 1   =>   a =< b
 
Theoremu1lembi 702 Sasaki implication and biconditional.
((a ->1 b) ^ (b ->1 a)) = (a == b)
 
Theoremu2lembi 703 Dishkant implication and biconditional.
((a ->2 b) ^ (b ->2 a)) = (a == b)
 
Theoremi2bi 704 Dishkant implication expressed with biconditional.
(a ->2 b) = (b v (a == b))
 
Theoremu3lembi 705 Kalmbach implication and biconditional.
((a ->3 b) ^ (b ->3 a)) = (a == b)
 
Theoremu4lembi 706 Non-tollens implication and biconditional.
((a ->4 b) ^ (b ->4 a)) = (a == b)
 
Theoremu5lembi 707 Relevance implication and biconditional.
((a ->5 b) ^ (b ->5 a)) = (a == b)
 
Theoremu12lembi 708 Sasaki/Dishkant implication and biconditional.
((a ->1 b) ^ (b ->2 a)) = (a == b)
 
Theoremu21lembi 709 Dishkant/Sasaki implication and biconditional.
((a ->2 b) ^ (b ->1 a)) = (a == b)
 
Theoremublemc1 710 Commutation theorem for biimplication.
a C (a == b)
 
Theoremublemc2 711 Commutation theorem for biimplication.
b C (a == b)
 
Theoremu1lemn1b 712 This theorem continues the line of proofs such as u1lemnaa 622, ud1lem0b 248, u1lemnanb 637, etc. (Contributed by Josiah Burroughs 26-May-04.)
(a ->1 b) = ((a ->1 b)_|_ ->1 b)
 
Theoremu1lem3var1 713 A 3-variable formula. (Contributed by Josiah Burroughs 26-May-04.)
(((a ->1 c) ^ (b ->1 c))_|_ v (((a ->1 c)_|_ ->1 c) ^ ((b ->1 c)_|_ ->1 c))) = 1
 
Theoremoi3oa3lem1 714 An attempt at the OA3 conjecture, which is true if (a == b) = 1. (Contributed by Josiah Burroughs 27-May-04.)
1 = (b == a)   =>   (((a ->1 c) ^ (b ->1 c)) v (a ^ b)) = 1
 
Theoremoi3oa3 715 An attempt at the OA3 conjecture, which is true if (a == b) = 1. (Contributed by Josiah Burroughs 27-May-04.)
1 = (b == a)   =>   (((a ->1 c) ^ (b ->1 c)) v ((((a ->1 c) ^ (((a ->1 c) ^ (b ->1 c)) v (a ^ b))) ->1 c) ^ (((b ->1 c) ^ (((a ->1 c) ^ (b ->1 c)) v (a ^ b))) ->1 c))) = 1
 
Theoremu1lem1 716 Lemma for unified implication study.
((a ->1 b) ->1 a) = a
 
Theoremu2lem1 717 Lemma for unified implication study.
((a ->2 b) ->2 a) = a
 
Theoremu3lem1 718 Lemma for unified implication study.
((a ->3 b) ->3 a) = ((a v b) ^ (a v b_|_))
 
Theoremu4lem1 719 Lemma for unified implication study.
((a ->4 b) ->4 a) = ((((a ^ b) v (a ^ b_|_)) v a_|_) ^ ((a v b) ^ (a v b_|_)))
 
Theoremu5lem1 720 Lemma for unified implication study.
((a ->5 b) ->5 a) = ((a v b) ^ (a v b_|_))
 
Theoremu1lem1n 721 Lemma for unified implication study.
((a ->1 b) ->1 a)_|_ = a_|_
 
Theoremu2lem1n 722 Lemma for unified implication study.
((a ->2 b) ->2 a)_|_ = a_|_
 
Theoremu3lem1n 723 Lemma for unified implication study.
((a ->3 b) ->3 a)_|_ = ((a_|_ ^ b) v (a_|_ ^ b_|_))
 
Theoremu4lem1n 724 Lemma for unified implication study.
((a ->4 b) ->4 a)_|_ = ((((a_|_ v b) ^ (a_|_ v b_|_)) ^ a) v ((a_|_ ^ b) v (a_|_ ^ b_|_)))
 
Theoremu5lem1n 725 Lemma for unified implication study.
((a ->5 b) ->5 a)_|_ = ((a_|_ ^ b) v (a_|_ ^ b_|_))
 
Theoremu1lem2 726 Lemma for unified implication study.
(((a ->1 b) ->1 a) ->1 a) = 1
 
Theoremu2lem2 727 Lemma for unified implication study.
(((a ->2 b) ->2 a) ->2 a) = 1
 
Theoremu3lem2 728 Lemma for unified implication study.
(((a ->3 b) ->3 a) ->3 a) = (a v ((a_|_ ^ b) v (a_|_ ^ b_|_)))
 
Theoremu4lem2 729 Lemma for unified implication study.
(((a ->4 b) ->4 a) ->4 a) = (a v ((a_|_ ^ b) v (a_|_ ^ b_|_)))
 
Theoremu5lem2 730 Lemma for unified implication study.
(((a ->5 b) ->5 a) ->5 a) = (a v ((a_|_ ^ b) v (a_|_ ^ b_|_)))
 
Theoremu1lem3 731 Lemma for unified implication study.
(a ->1 (b ->1 a)) = (a_|_ v ((a ^ b) v (a ^ b_|_)))
 
Theoremu2lem3 732 Lemma for unified implication study.
(a ->2 (b ->2 a)) = 1
 
Theoremu3lem3 733 Lemma for unified implication study.
(a ->3 (b ->3 a)) = (a v ((a_|_ ^ b) v (a_|_ ^ b_|_)))
 
Theoremu4lem3 734 Lemma for unified implication study.
(a ->4 (b ->4 a)) = (a_|_ v ((a ^ b) v (a ^ b_|_)))
 
Theoremu5lem3 735 Lemma for unified implication study.
(a ->5 (b ->5 a)) = (a_|_ v ((a ^ b) v (a ^ b_|_)))
 
Theoremu3lem3n 736 Lemma for unified implication study.
(a ->3 (b ->3 a))_|_ = (a_|_ ^ ((a v b) ^ (a v b_|_)))
 
Theoremu4lem3n 737 Lemma for unified implication study.
(a ->4 (b ->4 a))_|_ = (a ^ ((a_|_ v b) ^ (a_|_ v b_|_)))
 
Theoremu5lem3n 738 Lemma for unified implication study.
(a ->5 (b ->5 a))_|_ = (a ^ ((a_|_ v b) ^ (a_|_ v b_|_)))
 
Theoremu1lem4 739 Lemma for unified implication study.
(a ->1 (a ->1 (b ->1 a))) = (a ->1 (b ->1 a))
 
Theoremu3lem4 740 Lemma for unified implication study.
(a ->3 (a ->3 (b ->3 a))) = 1
 
Theoremu4lem4 741 Lemma for unified implication study.
(a ->4 (a ->4 (b ->4 a))) = (a ->4 (b ->4 a))
 
Theoremu5lem4 742 Lemma for unified implication study.
(a ->5 (a ->5 (b ->5 a))) = (a ->5 (b ->5 a))
 
Theoremu1lem5 743 Lemma for unified implication study.
(a ->1 (a ->1 b)) = (a ->1 b)
 
Theoremu2lem5 744 Lemma for unified implication study.
(a ->2 (a ->2 b)) = (a ->2 b)
 
Theoremu3lem5 745 Lemma for unified implication study.
(a ->3 (a ->3 b)) = (a_|_ v b)
 
Theoremu4lem5 746 Lemma for unified implication study.
(a ->4 (a ->4 b)) = ((a_|_ ^ b_|_) v b)
 
Theoremu5lem5 747 Lemma for unified implication study.
(a ->5 (a ->5 b)) = (a_|_ v (a ^ b))
 
Theoremu4lem5n 748 Lemma for unified implication study.
(a ->4 (a ->4 b))_|_ = ((a v b) ^ b_|_)
 
Theoremu3lem6 749 Lemma for unified implication study.
(a ->3 (a ->3 (a ->3 b))) = (a ->3 (a ->3 b))
 
Theoremu4lem6 750 Lemma for unified implication study.
(a ->4 (a ->4 (a ->4 b))) = (a ->4 b)
 
Theoremu5lem6 751 Lemma for unified implication study.
(a ->5 (a ->5 (a ->5 b))) = (a ->5 (a ->5 b))
 
Theoremu24lem 752 Lemma for unified implication study.
((a ->2 b) ^ (a ->4 b)) = (a ->5 b)
 
Theoremu12lem 753 Implication lemma.
((a ->1 b) v (a ->2 b)) = (a ->0 b)
 
Theoremu1lem7 754 Lemma for unified implication study.
(a ->1 (a_|_ ->1 b)) = 1
 
Theoremu2lem7 755 Lemma for unified implication study.
(a ->2 (a_|_ ->2 b)) = (((a ^ b_|_) v (a_|_ ^ b_|_)) v b)
 
Theoremu3lem7 756 Lemma for unified implication study.
(a ->3 (a_|_ ->3 b)) = (a_|_ v ((a ^ b) v (a ^ b_|_)))
 
Theoremu2lem7n 757 Lemma for unified implication study.
(a ->2 (a_|_ ->2 b))_|_ = (((a v b) ^ (a_|_ v b)) ^ b_|_)
 
Theoremu1lem8 758 Lemma used in study of orthoarguesian law.
((a ->1 b) ^ (a_|_ ->1 b)) = ((a ^ b) v (a_|_ ^ b))
 
Theoremu1lem9a 759 Lemma used in study of orthoarguesian law.
(a_|_ ->1 b)_|_ =< a_|_
 
Theoremu1lem9b 760 Lemma used in study of orthoarguesian law.
a_|_ =< (a ->1 b)
 
Theoremu1lem9ab 761 Lemma used in study of orthoarguesian law.
(a_|_ ->1 b)_|_ =< (a ->1 b)
 
Theoremu1lem11 762 Lemma used in study of orthoarguesian law.
((a_|_ ->1 b) ->1 b) = (a ->1 b)
 
Theoremu1lem12 763 Lemma used in study of orthoarguesian law.
((a ->1 b) ->1 b) = (a_|_ ->1 b)
 
Theoremu2lem8 764 Lemma for unified implication study.
(a_|_ ->2 (a ->2 (a_|_ ->2 b))) = (a ->2 (a_|_ ->2 b))
 
Theoremu3lem8 765 Lemma for unified implication study.
(a_|_ ->3 (a ->3 (a_|_ ->3 b))) = 1
 
Theoremu3lem9 766 Lemma for unified implication study.
(a ->3 (a ->3 (a_|_ ->3 b))) = (a ->3 (a_|_ ->3 b))
 
Theoremu3lem10 767 Lemma for unified implication study.
(a ->3 (a_|_ ^ (a v b))) = a_|_
 
Theoremu3lem11 768 Lemma for unified implication study.
(a ->3 (b_|_ ^ (a v b))) = (a ->3 b_|_)
 
Theoremu3lem11a 769 Lemma for unified implication study.
(a ->3 ((b ->3 a) ->3 (a ->3 b))_|_) = (a ->3 b_|_)
 
Theoremu3lem12 770 Lemma for unified implication study.
(a ->3 (a ->3 b_|_))_|_ = (a ^ b)
 
Theoremu3lem13a 771 Lemma for unified implication study.
(a ->3 (a ->3 b_|_)_|_) = (a ->1 b)
 
Theoremu3lem13b 772 Lemma for unified implication study.
((a ->3 b_|_) ->3 a_|_) = (a ->1 b)
 
Theoremu3lem14a 773 Lemma for unified implication study.
(a ->3 ((b ->3 a_|_) ->3 b_|_)) = (a ->3 (b ->3 a))
 
Theoremu3lem14aa 774 Used to prove ->1 "add antecedent" rule in ->3 system.
(a ->3 (a ->3 ((b ->3 a_|_) ->3 b_|_))) = 1
 
Theoremu3lem14aa2 775 Used to prove ->1 "add antecedent" rule in ->3 system.
(a ->3 (a ->3 (b ->3 (b ->3 a_|_)_|_))) = 1
 
Theoremu3lem14mp 776 Used to prove ->1 modus ponens rule in ->3 system.
((a ->3 b_|_)_|_ ->3 (a ->3 (a ->3 b))) = 1
 
Theoremu3lem15 777 Lemma for Kalmbach implication.
((a ->3 b) ^ (a v b)) = ((a_|_ v b) ^ (a v (a_|_ ^ b)))