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Theorem nn0readdcl 9545
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 9519 . 2  |-  ( ( A  e.  NN0  /\  B  e.  NN0 )  -> 
( A  +  B
)  e.  NN0 )
21nn0red 9540 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 2203  (class class class)co 6041   RRcr 8114    + caddc 8118   NN0cn0 9484
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 2214  ax-sep 4221  ax-cnex 8206  ax-resscn 8207  ax-1cn 8208  ax-1re 8209  ax-icn 8210  ax-addcl 8211  ax-addrcl 8212  ax-mulcl 8213  ax-addcom 8215  ax-addass 8217  ax-i2m1 8220  ax-0id 8223  ax-rnegex 8224
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ral 2525  df-rex 2526  df-rab 2529  df-v 2814  df-un 3214  df-in 3216  df-ss 3223  df-sn 3688  df-pr 3689  df-op 3691  df-uni 3908  df-int 3943  df-br 4103  df-iota 5303  df-fv 5351  df-ov 6044  df-inn 9226  df-n0 9485
This theorem is referenced by:  difelfznle  10455  facavg  11094  swrdswrd  11375  swrdccatin1  11395
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