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Theorem tposconst 7546
 Description: The transposition of a constant operation using the relation representation. (Contributed by SO, 11-Jul-2018.)
Assertion
Ref Expression
tposconst tpos ((𝐴 × 𝐵) × {𝐶}) = ((𝐵 × 𝐴) × {𝐶})

Proof of Theorem tposconst
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 fconstmpt2 6906 . . 3 ((𝐴 × 𝐵) × {𝐶}) = (𝑥𝐴, 𝑦𝐵𝐶)
21tposmpt2 7545 . 2 tpos ((𝐴 × 𝐵) × {𝐶}) = (𝑦𝐵, 𝑥𝐴𝐶)
3 fconstmpt2 6906 . 2 ((𝐵 × 𝐴) × {𝐶}) = (𝑦𝐵, 𝑥𝐴𝐶)
42, 3eqtr4i 2796 1 tpos ((𝐴 × 𝐵) × {𝐶}) = ((𝐵 × 𝐴) × {𝐶})
 Colors of variables: wff setvar class Syntax hints:   = wceq 1631  {csn 4317   × cxp 5248   ↦ cmpt2 6798  tpos ctpos 7507 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1870  ax-4 1885  ax-5 1991  ax-6 2057  ax-7 2093  ax-8 2147  ax-9 2154  ax-10 2174  ax-11 2190  ax-12 2203  ax-13 2408  ax-ext 2751  ax-sep 4916  ax-nul 4924  ax-pow 4975  ax-pr 5035  ax-un 7100 This theorem depends on definitions:  df-bi 197  df-an 383  df-or 837  df-3an 1073  df-tru 1634  df-ex 1853  df-nf 1858  df-sb 2050  df-eu 2622  df-mo 2623  df-clab 2758  df-cleq 2764  df-clel 2767  df-nfc 2902  df-ne 2944  df-ral 3066  df-rex 3067  df-rab 3070  df-v 3353  df-sbc 3588  df-csb 3683  df-dif 3726  df-un 3728  df-in 3730  df-ss 3737  df-nul 4064  df-if 4227  df-pw 4300  df-sn 4318  df-pr 4320  df-op 4324  df-uni 4576  df-iun 4657  df-br 4788  df-opab 4848  df-mpt 4865  df-id 5158  df-xp 5256  df-rel 5257  df-cnv 5258  df-co 5259  df-dm 5260  df-rn 5261  df-res 5262  df-ima 5263  df-iota 5993  df-fun 6032  df-fn 6033  df-fv 6038  df-oprab 6800  df-mpt2 6801  df-tpos 7508 This theorem is referenced by:  mattposvs  20479
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