Users' Mathboxes Mathbox for Scott Fenton < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  txprel Structured version   Visualization version   GIF version

Theorem txprel 32898
Description: A tail Cartesian product is a relationship. (Contributed by Scott Fenton, 31-Mar-2012.)
Assertion
Ref Expression
txprel Rel (𝐴𝐵)

Proof of Theorem txprel
StepHypRef Expression
1 txpss3v 32897 . . 3 (𝐴𝐵) ⊆ (V × (V × V))
2 xpss 5419 . . 3 (V × (V × V)) ⊆ (V × V)
31, 2sstri 3860 . 2 (𝐴𝐵) ⊆ (V × V)
4 df-rel 5410 . 2 (Rel (𝐴𝐵) ↔ (𝐴𝐵) ⊆ (V × V))
53, 4mpbir 223 1 Rel (𝐴𝐵)
Colors of variables: wff setvar class
Syntax hints:  Vcvv 3408  wss 3822   × cxp 5401  Rel wrel 5408  ctxp 32849
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1759  ax-4 1773  ax-5 1870  ax-6 1929  ax-7 1966  ax-8 2053  ax-9 2060  ax-10 2080  ax-11 2094  ax-12 2107  ax-13 2302  ax-ext 2743  ax-sep 5056  ax-nul 5063  ax-pr 5182
This theorem depends on definitions:  df-bi 199  df-an 388  df-or 835  df-3an 1071  df-tru 1511  df-ex 1744  df-nf 1748  df-sb 2017  df-mo 2548  df-eu 2585  df-clab 2752  df-cleq 2764  df-clel 2839  df-nfc 2911  df-ral 3086  df-rex 3087  df-rab 3090  df-v 3410  df-dif 3825  df-un 3827  df-in 3829  df-ss 3836  df-nul 4173  df-if 4345  df-sn 4436  df-pr 4438  df-op 4442  df-br 4926  df-opab 4988  df-xp 5409  df-rel 5410  df-cnv 5411  df-co 5412  df-res 5415  df-txp 32873
This theorem is referenced by:  pprodss4v  32903
  Copyright terms: Public domain W3C validator