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Theorem decrmanc 9783
Description: Perform a multiply-add of two numerals 𝑀 and 𝑁 against a fixed multiplicand 𝑃 (no carry). (Contributed by AV, 16-Sep-2021.)
Hypotheses
Ref Expression
decrmanc.a 𝐴 ∈ ℕ0
decrmanc.b 𝐵 ∈ ℕ0
decrmanc.n 𝑁 ∈ ℕ0
decrmanc.m 𝑀 = 𝐴𝐵
decrmanc.p 𝑃 ∈ ℕ0
decrmanc.e (𝐴 · 𝑃) = 𝐸
decrmanc.f ((𝐵 · 𝑃) + 𝑁) = 𝐹
Assertion
Ref Expression
decrmanc ((𝑀 · 𝑃) + 𝑁) = 𝐸𝐹

Proof of Theorem decrmanc
StepHypRef Expression
1 decrmanc.a . 2 𝐴 ∈ ℕ0
2 decrmanc.b . 2 𝐵 ∈ ℕ0
3 0nn0 9528 . 2 0 ∈ ℕ0
4 decrmanc.n . 2 𝑁 ∈ ℕ0
5 decrmanc.m . 2 𝑀 = 𝐴𝐵
64dec0h 9748 . 2 𝑁 = 0𝑁
7 decrmanc.p . 2 𝑃 ∈ ℕ0
81, 7nn0mulcli 9551 . . . . 5 (𝐴 · 𝑃) ∈ ℕ0
98nn0cni 9525 . . . 4 (𝐴 · 𝑃) ∈ ℂ
109addridi 8431 . . 3 ((𝐴 · 𝑃) + 0) = (𝐴 · 𝑃)
11 decrmanc.e . . 3 (𝐴 · 𝑃) = 𝐸
1210, 11eqtri 2255 . 2 ((𝐴 · 𝑃) + 0) = 𝐸
13 decrmanc.f . 2 ((𝐵 · 𝑃) + 𝑁) = 𝐹
141, 2, 3, 4, 5, 6, 7, 12, 13decma 9777 1 ((𝑀 · 𝑃) + 𝑁) = 𝐸𝐹
Colors of variables: wff set class
Syntax hints:   = wceq 1398  wcel 2205  (class class class)co 6058  0cc0 8143   + caddc 8146   · cmul 8148  0cn0 9513  cdc 9727
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-in1 619  ax-in2 620  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-14 2208  ax-ext 2216  ax-sep 4233  ax-pow 4292  ax-pr 4327  ax-setind 4664  ax-cnex 8234  ax-resscn 8235  ax-1cn 8236  ax-1re 8237  ax-icn 8238  ax-addcl 8239  ax-addrcl 8240  ax-mulcl 8241  ax-addcom 8243  ax-mulcom 8244  ax-addass 8245  ax-mulass 8246  ax-distr 8247  ax-i2m1 8248  ax-1rid 8250  ax-0id 8251  ax-rnegex 8252  ax-cnre 8254
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-ral 2527  df-rex 2528  df-reu 2529  df-rab 2531  df-v 2817  df-sbc 3046  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-int 3955  df-br 4115  df-opab 4177  df-id 4419  df-xp 4760  df-rel 4761  df-cnv 4762  df-co 4763  df-dm 4764  df-iota 5317  df-fun 5359  df-fv 5365  df-riota 6011  df-ov 6061  df-oprab 6062  df-mpo 6063  df-sub 8462  df-inn 9255  df-2 9313  df-3 9314  df-4 9315  df-5 9316  df-6 9317  df-7 9318  df-8 9319  df-9 9320  df-n0 9514  df-dec 9728
This theorem is referenced by: (None)
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