ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  decmul1 Unicode version

Theorem decmul1 9406
Description: The product of a numeral with a number (no carry). (Contributed by AV, 22-Jul-2021.) (Revised by AV, 6-Sep-2021.)
Hypotheses
Ref Expression
decmul1.p  |-  P  e. 
NN0
decmul1.a  |-  A  e. 
NN0
decmul1.b  |-  B  e. 
NN0
decmul1.n  |-  N  = ; A B
decmul1.0  |-  D  e. 
NN0
decmul1.c  |-  ( A  x.  P )  =  C
decmul1.d  |-  ( B  x.  P )  =  D
Assertion
Ref Expression
decmul1  |-  ( N  x.  P )  = ; C D

Proof of Theorem decmul1
StepHypRef Expression
1 10nn0 9360 . . 3  |- ; 1 0  e.  NN0
2 decmul1.p . . 3  |-  P  e. 
NN0
3 decmul1.a . . 3  |-  A  e. 
NN0
4 decmul1.b . . 3  |-  B  e. 
NN0
5 decmul1.n . . . 4  |-  N  = ; A B
6 dfdec10 9346 . . . 4  |- ; A B  =  ( (; 1 0  x.  A
)  +  B )
75, 6eqtri 2191 . . 3  |-  N  =  ( (; 1 0  x.  A
)  +  B )
8 decmul1.0 . . 3  |-  D  e. 
NN0
9 0nn0 9150 . . 3  |-  0  e.  NN0
103, 2nn0mulcli 9173 . . . . . 6  |-  ( A  x.  P )  e. 
NN0
1110nn0cni 9147 . . . . 5  |-  ( A  x.  P )  e.  CC
1211addid1i 8061 . . . 4  |-  ( ( A  x.  P )  +  0 )  =  ( A  x.  P
)
13 decmul1.c . . . 4  |-  ( A  x.  P )  =  C
1412, 13eqtri 2191 . . 3  |-  ( ( A  x.  P )  +  0 )  =  C
15 decmul1.d . . . . 5  |-  ( B  x.  P )  =  D
1615oveq2i 5864 . . . 4  |-  ( 0  +  ( B  x.  P ) )  =  ( 0  +  D
)
174, 2nn0mulcli 9173 . . . . . 6  |-  ( B  x.  P )  e. 
NN0
1817nn0cni 9147 . . . . 5  |-  ( B  x.  P )  e.  CC
1918addid2i 8062 . . . 4  |-  ( 0  +  ( B  x.  P ) )  =  ( B  x.  P
)
201nn0cni 9147 . . . . . . 7  |- ; 1 0  e.  CC
2120mul01i 8310 . . . . . 6  |-  (; 1 0  x.  0 )  =  0
2221eqcomi 2174 . . . . 5  |-  0  =  (; 1 0  x.  0 )
2322oveq1i 5863 . . . 4  |-  ( 0  +  D )  =  ( (; 1 0  x.  0 )  +  D )
2416, 19, 233eqtr3i 2199 . . 3  |-  ( B  x.  P )  =  ( (; 1 0  x.  0 )  +  D )
251, 2, 3, 4, 7, 8, 9, 14, 24nummul1c 9391 . 2  |-  ( N  x.  P )  =  ( (; 1 0  x.  C
)  +  D )
26 dfdec10 9346 . 2  |- ; C D  =  ( (; 1 0  x.  C
)  +  D )
2725, 26eqtr4i 2194 1  |-  ( N  x.  P )  = ; C D
Colors of variables: wff set class
Syntax hints:    = wceq 1348    e. wcel 2141  (class class class)co 5853   0cc0 7774   1c1 7775    + caddc 7777    x. cmul 7779   NN0cn0 9135  ;cdc 9343
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 609  ax-in2 610  ax-io 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-14 2144  ax-ext 2152  ax-sep 4107  ax-pow 4160  ax-pr 4194  ax-setind 4521  ax-cnex 7865  ax-resscn 7866  ax-1cn 7867  ax-1re 7868  ax-icn 7869  ax-addcl 7870  ax-addrcl 7871  ax-mulcl 7872  ax-addcom 7874  ax-mulcom 7875  ax-addass 7876  ax-mulass 7877  ax-distr 7878  ax-i2m1 7879  ax-1rid 7881  ax-0id 7882  ax-rnegex 7883  ax-cnre 7885
This theorem depends on definitions:  df-bi 116  df-3an 975  df-tru 1351  df-fal 1354  df-nf 1454  df-sb 1756  df-eu 2022  df-mo 2023  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-ne 2341  df-ral 2453  df-rex 2454  df-reu 2455  df-rab 2457  df-v 2732  df-sbc 2956  df-dif 3123  df-un 3125  df-in 3127  df-ss 3134  df-pw 3568  df-sn 3589  df-pr 3590  df-op 3592  df-uni 3797  df-int 3832  df-br 3990  df-opab 4051  df-id 4278  df-xp 4617  df-rel 4618  df-cnv 4619  df-co 4620  df-dm 4621  df-iota 5160  df-fun 5200  df-fv 5206  df-riota 5809  df-ov 5856  df-oprab 5857  df-mpo 5858  df-sub 8092  df-inn 8879  df-2 8937  df-3 8938  df-4 8939  df-5 8940  df-6 8941  df-7 8942  df-8 8943  df-9 8944  df-n0 9136  df-dec 9344
This theorem is referenced by:  sq10  10646
  Copyright terms: Public domain W3C validator