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Theorem atssbase 37508
Description: The set of atoms is a subset of the base set. (atssch 30814 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 37507 . 2 (𝑥𝐴𝑥𝐵)
43ssriv 3935 1 𝐴𝐵
Colors of variables: wff setvar class
Syntax hints:   = wceq 1540  wss 3897  cfv 6465  Basecbs 16982  Atomscatm 37481
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1912  ax-6 1970  ax-7 2010  ax-8 2107  ax-9 2115  ax-10 2136  ax-11 2153  ax-12 2170  ax-ext 2708  ax-sep 5238  ax-nul 5245  ax-pr 5367
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1781  df-nf 1785  df-sb 2067  df-mo 2539  df-eu 2568  df-clab 2715  df-cleq 2729  df-clel 2815  df-nfc 2887  df-ne 2942  df-ral 3063  df-rex 3072  df-rab 3405  df-v 3443  df-dif 3900  df-un 3902  df-in 3904  df-ss 3914  df-nul 4268  df-if 4472  df-sn 4572  df-pr 4574  df-op 4578  df-uni 4851  df-br 5088  df-opab 5150  df-mpt 5171  df-id 5507  df-xp 5613  df-rel 5614  df-cnv 5615  df-co 5616  df-dm 5617  df-iota 6417  df-fun 6467  df-fv 6473  df-ats 37485
This theorem is referenced by:  atlatmstc  37537  atlatle  37538  pmapssbaN  37979  pmaple  37980  polsubN  38126  2polvalN  38133  2polssN  38134  3polN  38135  2pmaplubN  38145  paddunN  38146  poldmj1N  38147  pnonsingN  38152  ispsubcl2N  38166  psubclinN  38167  paddatclN  38168  polsubclN  38171  poml4N  38172
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