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Theorem List for Metamath Proof Explorer - 30601-30700   *Has distinct variable group(s)
TypeLabelDescription
Statement

Theorem2llnma2rN 30601 Two different intersecting lines (expressed in terms of atoms) meet at their common point (atom). (Contributed by NM, 2-May-2013.) (New usage is discouraged.)

18.27.11  Construction of a vector space from a Hilbert lattice

Theoremcdlema1N 30602 A condition for required for proof of Lemma A in [Crawley] p. 112. (Contributed by NM, 29-Apr-2012.) (New usage is discouraged.)

Theoremcdlema2N 30603 A condition for required for proof of Lemma A in [Crawley] p. 112. (Contributed by NM, 9-May-2012.) (New usage is discouraged.)

Theoremcdlemblem 30604 Lemma for cdlemb 30605. (Contributed by NM, 8-May-2012.)

Theoremcdlemb 30605* Given two atoms not less than or equal to an element covered by 1, there is a third. Lemma B in [Crawley] p. 112. (Contributed by NM, 8-May-2012.)

Syntaxcpadd 30606 Extend class notation with projective subspace sum.

Definitiondf-padd 30607* Define projective sum of two subspaces (or more generally two sets of atoms), which is the union of all lines generated by pairs of atoms from each subspace. Lemma 16.2 of [MaedaMaeda] p. 68. For convenience, our definition is generalized to apply to empty sets. (Contributed by NM, 29-Dec-2011.)

Theorempaddfval 30608* Projective subspace sum operation. (Contributed by NM, 29-Dec-2011.)

Theorempaddval 30609* Projective subspace sum operation value. (Contributed by NM, 29-Dec-2011.)

Theoremelpadd 30610* Member of a projective subspace sum. (Contributed by NM, 29-Dec-2011.)

Theoremelpaddn0 30611* Member of projective subspace sum of non-empty sets. (Contributed by NM, 3-Jan-2012.)

Theorempaddvaln0N 30612* Projective subspace sum operation value for non-empty sets. (Contributed by NM, 27-Jan-2012.) (New usage is discouraged.)

Theoremelpaddri 30613 Condition implying membership in a projective subspace sum. (Contributed by NM, 8-Jan-2012.)

TheoremelpaddatriN 30614 Condition implying membership in a projective subspace sum with a point. (Contributed by NM, 1-Feb-2012.) (New usage is discouraged.)

Theoremelpaddat 30615* Membership in a projective subspace sum with a point. (Contributed by NM, 29-Jan-2012.)

TheoremelpaddatiN 30616* Consequence of membership in a projective subspace sum with a point. (Contributed by NM, 2-Feb-2012.) (New usage is discouraged.)

Theoremelpadd2at 30617 Membership in a projective subspace sum of two points. (Contributed by NM, 29-Jan-2012.)

Theoremelpadd2at2 30618 Membership in a projective subspace sum of two points. (Contributed by NM, 8-Mar-2012.)

TheorempaddunssN 30619 Projective subspace sum includes the set union of its arguments. (Contributed by NM, 12-Jan-2012.) (New usage is discouraged.)

Theoremelpadd0 30620 Member of projective subspace sum with at least one empty set. (Contributed by NM, 29-Dec-2011.)

Theorempaddval0 30621 Projective subspace sum with at least one empty set. (Contributed by NM, 11-Jan-2012.)

Theorempadd01 30622 Projective subspace sum with an empty set. (Contributed by NM, 11-Jan-2012.)

Theorempadd02 30623 Projective subspace sum with an empty set. (Contributed by NM, 11-Jan-2012.)

Theorempaddcom 30624 Projective subspace sum commutes. (Contributed by NM, 3-Jan-2012.)

Theorempaddssat 30625 A projective subspace sum is a set of atoms. (Contributed by NM, 3-Jan-2012.)

Theoremsspadd1 30626 A projective subspace sum is a superset of its first summand. (ssun1 3351 analog.) (Contributed by NM, 3-Jan-2012.)

Theoremsspadd2 30627 A projective subspace sum is a superset of its second summand. (ssun2 3352 analog.) (Contributed by NM, 3-Jan-2012.)

Theorempaddss1 30628 Subset law for projective subspace sum. (unss1 3357 analog.) (Contributed by NM, 7-Mar-2012.)

Theorempaddss2 30629 Subset law for projective subspace sum. (unss2 3359 analog.) (Contributed by NM, 7-Mar-2012.)

Theorempaddss12 30630 Subset law for projective subspace sum. (unss12 3360 analog.) (Contributed by NM, 7-Mar-2012.)

Theorempaddasslem3 30633* Lemma for paddass 30649. Restate projective space axiom ps-2 30289. (Contributed by NM, 8-Jan-2012.)

Theorempaddasslem11 30641 Lemma for paddass 30649. The case when . (Contributed by NM, 11-Jan-2012.)

Theorempaddasslem12 30642 Lemma for paddass 30649. The case when . (Contributed by NM, 11-Jan-2012.)

Theorempaddasslem13 30643 Lemma for paddass 30649. The case when . (Unlike the proof in Maeda and Maeda, we don't need .) (Contributed by NM, 11-Jan-2012.)

Theorempaddasslem17 30647 Lemma for paddass 30649. The case when at least one sum argument is empty. (Contributed by NM, 12-Jan-2012.)

Theorempaddass 30649 Projective subspace sum is associative. Equation 16.2.1 of [MaedaMaeda] p. 68. In our version, the subspaces do not have to be non-empty. (Contributed by NM, 29-Dec-2011.)

Theorempadd12N 30650 Commutative/associative law for projective subspace sum. (Contributed by NM, 14-Jan-2012.) (New usage is discouraged.)

Theorempadd4N 30651 Rearrangement of 4 terms in a projective subspace sum. (Contributed by NM, 14-Jan-2012.) (New usage is discouraged.)

Theorempaddidm 30652 Projective subspace sum is idempotent. Part of Lemma 16.2 of [MaedaMaeda] p. 68. (Contributed by NM, 13-Jan-2012.)

TheorempaddclN 30653 The projective sum of two subspaces is a subspace. Part of Lemma 16.2 of [MaedaMaeda] p. 68. (Contributed by NM, 14-Jan-2012.) (New usage is discouraged.)

Theorempaddssw1 30654 Subset law for projective subspace sum valid for all subsets of atoms. (Contributed by NM, 14-Mar-2012.)

Theorempaddssw2 30655 Subset law for projective subspace sum valid for all subsets of atoms. (Contributed by NM, 14-Mar-2012.)

Theorempaddss 30656 Subset law for projective subspace sum. (unss 3362 analog.) (Contributed by NM, 7-Mar-2012.)

Theorempmodlem1 30657* Lemma for pmod1i 30659. (Contributed by NM, 9-Mar-2012.)

Theorempmodlem2 30658 Lemma for pmod1i 30659. (Contributed by NM, 9-Mar-2012.)

Theorempmod1i 30659 The modular law holds in a projective subspace. (Contributed by NM, 10-Mar-2012.)

Theorempmod2iN 30660 Dual of the modular law. (Contributed by NM, 8-Apr-2012.) (New usage is discouraged.)

TheorempmodN 30661 The modular law for projective subspaces. (Contributed by NM, 26-Mar-2012.) (New usage is discouraged.)

Theorempmodl42N 30662 Lemma derived from modular law. (Contributed by NM, 8-Apr-2012.) (New usage is discouraged.)

Theorempmapjoin 30663 The projective map of the join of two lattice elements. Part of Equation 15.5.3 of [MaedaMaeda] p. 63. (Contributed by NM, 27-Jan-2012.)

Theorempmapjat1 30664 The projective map of the join of a lattice element and an atom. (Contributed by NM, 28-Jan-2012.)

Theorempmapjat2 30665 The projective map of the join of an atom with a lattice element. (Contributed by NM, 12-May-2012.)

Theorempmapjlln1 30666 The projective map of the join of a lattice element and a lattice line (expressed as the join of two atoms). (Contributed by NM, 16-Sep-2012.)

Theoremhlmod1i 30667 A version of the modular law pmod1i 30659 that holds in a Hilbert lattice. (Contributed by NM, 13-May-2012.)

Theorematmod1i1 30668 Version of modular law pmod1i 30659 that holds in a Hilbert lattice, when one element is an atom. (Contributed by NM, 11-May-2012.) (Revised by Mario Carneiro, 10-May-2013.)

Theorematmod1i1m 30669 Version of modular law pmod1i 30659 that holds in a Hilbert lattice, when an element meets an atom. (Contributed by NM, 2-Sep-2012.) (Revised by Mario Carneiro, 10-May-2013.)

Theorematmod1i2 30670 Version of modular law pmod1i 30659 that holds in a Hilbert lattice, when one element is an atom. (Contributed by NM, 14-May-2012.) (Revised by Mario Carneiro, 10-May-2013.)

Theoremllnmod1i2 30671 Version of modular law pmod1i 30659 that holds in a Hilbert lattice, when one element is a lattice line (expressed as the join ). (Contributed by NM, 16-Sep-2012.) (Revised by Mario Carneiro, 10-May-2013.)

Theorematmod2i1 30672 Version of modular law pmod2iN 30660 that holds in a Hilbert lattice, when one element is an atom. (Contributed by NM, 14-May-2012.) (Revised by Mario Carneiro, 10-May-2013.)

Theorematmod2i2 30673 Version of modular law pmod2iN 30660 that holds in a Hilbert lattice, when one element is an atom. (Contributed by NM, 14-May-2012.) (Revised by Mario Carneiro, 10-May-2013.)

Theoremllnmod2i2 30674 Version of modular law pmod1i 30659 that holds in a Hilbert lattice, when one element is a lattice line (expressed as the join ). (Contributed by NM, 16-Sep-2012.) (Revised by Mario Carneiro, 10-May-2013.)

Theorematmod3i1 30675 Version of modular law that holds in a Hilbert lattice, when one element is an atom. (Contributed by NM, 4-Jun-2012.) (Revised by Mario Carneiro, 10-May-2013.)

Theorematmod3i2 30676 Version of modular law that holds in a Hilbert lattice, when one element is an atom. (Contributed by NM, 10-Jun-2012.) (Revised by Mario Carneiro, 10-May-2013.)

Theorematmod4i1 30677 Version of modular law that holds in a Hilbert lattice, when one element is an atom. (Contributed by NM, 10-Jun-2012.) (Revised by Mario Carneiro, 10-May-2013.)

Theorematmod4i2 30678 Version of modular law that holds in a Hilbert lattice, when one element is an atom. (Contributed by NM, 4-Jun-2012.) (Revised by Mario Carneiro, 10-Mar-2013.)

Theoremllnexchb2lem 30679 Lemma for llnexchb2 30680. (Contributed by NM, 17-Nov-2012.)

Theoremllnexchb2 30680 Line exchange property (compare cvlatexchb2 30147 for atoms). (Contributed by NM, 17-Nov-2012.)

Theoremllnexch2N 30681 Line exchange property (compare cvlatexch2 30149 for atoms). (Contributed by NM, 18-Nov-2012.) (New usage is discouraged.)

Theoremdalawlem1 30682 Lemma for dalaw 30697. Special case of dath2 30548, where is replaced by . The remaining lemmas will eliminate the conditions on the atoms imposed by dath2 30548. (Contributed by NM, 6-Oct-2012.)

Theoremdalawlem2 30683 Lemma for dalaw 30697. Utility lemma that breaks into a join of two pieces. (Contributed by NM, 6-Oct-2012.)

Theoremdalawlem3 30684 Lemma for dalaw 30697. First piece of dalawlem5 30686. (Contributed by NM, 4-Oct-2012.)

Theoremdalawlem4 30685 Lemma for dalaw 30697. Second piece of dalawlem5 30686. (Contributed by NM, 4-Oct-2012.)

Theoremdalawlem5 30686 Lemma for dalaw 30697. Special case to eliminate the requirement in dalawlem1 30682. (Contributed by NM, 4-Oct-2012.)

Theoremdalawlem6 30687 Lemma for dalaw 30697. First piece of dalawlem8 30689. (Contributed by NM, 6-Oct-2012.)

Theoremdalawlem7 30688 Lemma for dalaw 30697. Second piece of dalawlem8 30689. (Contributed by NM, 6-Oct-2012.)

Theoremdalawlem8 30689 Lemma for dalaw 30697. Special case to eliminate the requirement in dalawlem1 30682. (Contributed by NM, 6-Oct-2012.)

Theoremdalawlem9 30690 Lemma for dalaw 30697. Special case to eliminate the requirement in dalawlem1 30682. (Contributed by NM, 6-Oct-2012.)

Theoremdalawlem10 30691 Lemma for dalaw 30697. Combine dalawlem5 30686, dalawlem8 30689, and dalawlem9 . (Contributed by NM, 6-Oct-2012.)

Theoremdalawlem11 30692 Lemma for dalaw 30697. First part of dalawlem13 30694. (Contributed by NM, 17-Sep-2012.)

Theoremdalawlem12 30693 Lemma for dalaw 30697. Second part of dalawlem13 30694. (Contributed by NM, 17-Sep-2012.)

Theoremdalawlem13 30694 Lemma for dalaw 30697. Special case to eliminate the requirement in dalawlem1 30682. (Contributed by NM, 6-Oct-2012.)

Theoremdalawlem14 30695 Lemma for dalaw 30697. Combine dalawlem10 30691 and dalawlem13 30694. (Contributed by NM, 6-Oct-2012.)

Theoremdalawlem15 30696 Lemma for dalaw 30697. Swap variable triples and in dalawlem14 30695, to obtain the elimination of the remaining conditions in dalawlem1 30682. (Contributed by NM, 6-Oct-2012.)

Theoremdalaw 30697 Desargues' law, derived from Desargues' theorem dath 30547 and with no conditions on the atoms. If triples and are centrally perspective, i.e. , then they are axially perspective. Theorem 13.3 of [Crawley] p. 110. (Contributed by NM, 7-Oct-2012.)

SyntaxcpclN 30698 Extend class notation with projective subspace closure.

Definitiondf-pclN 30699* Projective subspace closure, which is the smallest projective subspace containing an arbitrary set of atoms. The subspace closure of the union of a set of projective subspaces is their supremum in . Related to an analogous definition of closure used in Lemma 3.1.4 of [PtakPulmannova] p. 68. (Note that this closure is not necessarily one of the closed projective subspaces of df-psubclN 30746.) (Contributed by NM, 7-Sep-2013.)

TheorempclfvalN 30700* The projective subspace closure function. (Contributed by NM, 7-Sep-2013.) (New usage is discouraged.)

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