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Theorem nn0readdcl 9561
Description: Closure law for addition of reals, restricted to nonnegative integers. (Contributed by Alexander van der Vekens, 6-Apr-2018.)
Assertion
Ref Expression
nn0readdcl  |-  ( ( A  e.  NN0  /\  B  e.  NN0 )  -> 
( A  +  B
)  e.  RR )

Proof of Theorem nn0readdcl
StepHypRef Expression
1 nn0addcl 9533 . 2  |-  ( ( A  e.  NN0  /\  B  e.  NN0 )  -> 
( A  +  B
)  e.  NN0 )
21nn0red 9556 1  |-  ( ( A  e.  NN0  /\  B  e.  NN0 )  -> 
( A  +  B
)  e.  RR )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    e. wcel 2205  (class class class)co 6052   RRcr 8128    + caddc 8132   NN0cn0 9498
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2216  ax-sep 4230  ax-cnex 8220  ax-resscn 8221  ax-1cn 8222  ax-1re 8223  ax-icn 8224  ax-addcl 8225  ax-addrcl 8226  ax-mulcl 8227  ax-addcom 8229  ax-addass 8231  ax-i2m1 8234  ax-0id 8237  ax-rnegex 8238
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ral 2527  df-rex 2528  df-rab 2531  df-v 2817  df-un 3217  df-in 3219  df-ss 3226  df-sn 3697  df-pr 3698  df-op 3700  df-uni 3917  df-int 3952  df-br 4112  df-iota 5314  df-fv 5362  df-ov 6055  df-inn 9240  df-n0 9499
This theorem is referenced by:  difelfznle  10473  facavg  11112  swrdswrd  11401  swrdccatin1  11421
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