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Theorem atssbase 37504
Description: The set of atoms is a subset of the base set. (atssch 30754 analog.) (Contributed by NM, 21-Oct-2011.)
Hypotheses
Ref Expression
atombase.b 𝐵 = (Base‘𝐾)
atombase.a 𝐴 = (Atoms‘𝐾)
Assertion
Ref Expression
atssbase 𝐴𝐵

Proof of Theorem atssbase
Dummy variable 𝑥 is distinct from all other variables.
StepHypRef Expression
1 atombase.b . . 3 𝐵 = (Base‘𝐾)
2 atombase.a . . 3 𝐴 = (Atoms‘𝐾)
31, 2atbase 37503 . 2 (𝑥𝐴𝑥𝐵)
43ssriv 3930 1 𝐴𝐵
Colors of variables: wff setvar class
Syntax hints:   = wceq 1539  wss 3892  cfv 6458  Basecbs 16961  Atomscatm 37477
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1911  ax-6 1969  ax-7 2009  ax-8 2106  ax-9 2114  ax-10 2135  ax-11 2152  ax-12 2169  ax-ext 2707  ax-sep 5232  ax-nul 5239  ax-pr 5361
This theorem depends on definitions:  df-bi 206  df-an 398  df-or 846  df-3an 1089  df-tru 1542  df-fal 1552  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2538  df-eu 2567  df-clab 2714  df-cleq 2728  df-clel 2814  df-nfc 2887  df-ne 2942  df-ral 3063  df-rex 3072  df-rab 3306  df-v 3439  df-dif 3895  df-un 3897  df-in 3899  df-ss 3909  df-nul 4263  df-if 4466  df-sn 4566  df-pr 4568  df-op 4572  df-uni 4845  df-br 5082  df-opab 5144  df-mpt 5165  df-id 5500  df-xp 5606  df-rel 5607  df-cnv 5608  df-co 5609  df-dm 5610  df-iota 6410  df-fun 6460  df-fv 6466  df-ats 37481
This theorem is referenced by:  atlatmstc  37533  atlatle  37534  pmapssbaN  37974  pmaple  37975  polsubN  38121  2polvalN  38128  2polssN  38129  3polN  38130  2pmaplubN  38140  paddunN  38141  poldmj1N  38142  pnonsingN  38147  ispsubcl2N  38161  psubclinN  38162  paddatclN  38163  polsubclN  38166  poml4N  38167
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