HomeHome Hilbert Space Explorer < Previous   Next >
Related theorems
GIF version

Theorem shjcomt 5331
Description: Commutative law for Hilbert lattice join of subspaces.
Assertion
Ref Expression
shjcomt ((ASBS ) → (A B) = (B A))

Proof of Theorem shjcomt
StepHypRef Expression
1 shjvalt 5322 . 2 ((ASBS ) → (A B) = (⊥ ‘(⊥ ‘(AB))))
2 shjvalt 5322 . . . 4 ((BSAS ) → (B A) = (⊥ ‘(⊥ ‘(BA))))
32ancoms 334 . . 3 ((ASBS ) → (B A) = (⊥ ‘(⊥ ‘(BA))))
4 uncom 1604 . . . . 5 (BA) = (AB)
54fveq2i 2835 . . . 4 (⊥ ‘(BA)) = (⊥ ‘(AB))
65fveq2i 2835 . . 3 (⊥ ‘(⊥ ‘(BA))) = (⊥ ‘(⊥ ‘(AB)))
73, 6syl6eq 1140 . 2 ((ASBS ) → (B A) = (⊥ ‘(⊥ ‘(AB))))
81, 7eqtr4d 1131 1 ((ASBS ) → (A B) = (B A))
Colors of variables: wff set class
Syntax hints:   → wi 2   ∧ wa 196   = wceq 1091   ∈ wcel 1092   ∪ cun 1485   ‘cfv 2422  (class class class)co 3001   S csh 4967  ⊥cort 4969   ∨ chj 4972
This theorem is referenced by:  shjcom 5341  shub2t 5354  shlej2t 5357  chjcomt 5423
This theorem was proved from axioms:  ax-1 3  ax-2 4  ax-3 5  ax-mp 6  ax-4 673  ax-5 674  ax-6 675  ax-7 676  ax-gen 677  ax-8 798  ax-9 799  ax-10 800  ax-11 801  ax-12 802  ax-13 804  ax-14 805  ax-16 922  ax-17 925  ax-ext 1074  ax-rep 1075  ax-un 1076  ax-pow 1077  ax-hilex 4983
This theorem depends on definitions:  df-bi 128  df-or 197  df-an 198  df-3an 583  df-ex 679  df-sb 853  df-eu 1009  df-mo 1010  df-clab 1093  df-cleq 1097  df-clel 1099  df-ral 1205  df-rex 1206  df-v 1349  df-dif 1489  df-un 1490  df-in 1491  df-ss 1492  df-nul 1708  df-pw 1799  df-sn 1811  df-pr 1812  df-op 1815  df-uni 1920  df-br 2063  df-opab 2098  df-id 2125  df-xp 2424  df-rel 2425  df-cnv 2426  df-co 2427  df-dm 2428  df-rn 2429  df-res 2430  df-ima 2431  df-fun 2432  df-fv 2438  df-opr 3003  df-oprab 3004  df-sh 5114  df-chj 5277
metamath.org