User:Watchduck

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Watchduck.svg

This is the userpage of Tilman Piesk.

Sister projects: Wikipedia Wikiversity Wikidata Other profiles: OEIS-Wiki GitHub Pastebin Flickr

Subpages: /list    more of my files /cat    categorization /like    things I like



Sheet weaver spider web.jpg
Dwarf snowman - panoramio.jpg
Morina ruins.jpg
San Giovanni Evangelista in Ravenna, unicorn.jpg
San Giovanni Evangelista in Ravenna, funeral of the fox.jpg
San Giovanni Evangelista in Ravenna, lion.jpg
Puppetry.jpg
Major and minor triads.png
Surprised young cat.JPG
Symmetric group 4; permutohedron 3D; numbers.svg Symmetric group 4; Cayley table; numbers.svg Symmetric group 4; Cayley graph 1,5,21 (Nauru torus).svg
Venn diagram gr la ru.svg Kneser graph KG(5,2).svg Dih4 subgroups (cycle graphs).svg
16x16 matrix like octeract Hasse diagram.svg Venn 0000 0001 0001 0110.png Z2^4; Lattice of subgroups Hasse diagram.svg
3-bit Walsh permutation; permeq and parteq; 5 and 6.svg Inversion set and vector of a permutation.svg Modus Darii.svg
Tesseract tetrahedron shadow matrices.svg Logical connectives Hasse diagram.svg Tesseract Hasse diagram with nibble shorthands.svg
Weak orderings 4.svg Concertina tesseract; vertices 0110.svg Concertina tesseract; vertices 0110; pairs.svg Concertina tesseract graph.svg
Predicate logic; pairs example e2a14e3.svg
Tamari lattice, hexagons.svg Dyck lattice D4.svg Cocoon concertina square graph; matrix sketches.svg Concertina cube graph.svg
Set partitions 4; Hasse; circles.svg Bracelets222.svg Partition necklaces.svg
Tantrix tiles ryg.svg
Inversion set 16; wp(13,11, 7,15).svg Cyclic group Z4; Cayley table; powers of Gray code permutation (small).svg Fanoperm721.svg Binary Walsh matrix 16.svg Powers of wp( 2, 5,10, 4).svg 1110 1000 Walsh spectrum.svg
4-ary Boolean functions; matrix wec E2.svg Walsh permutation wp( 2, 3,12, 4).svg Boolean functions like 1110 1000.svg Combinations with repetition; 5 multichoose 3.svg
Venn and Euler diagrams of 3-ary Boolean relations; with graphs.svg Predicate logic; 3 variables; some implications; hex diag 1.png 3-ary Boolean functions; cube permutations; 0.svg Beige concertina cube; hexagon.png