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Mirrors > Home > MPE Home > Th. List > dmgmdivn0 | Structured version Visualization version GIF version |
Description: Lemma for lgamf 25611. (Contributed by Mario Carneiro, 3-Jul-2017.) |
Ref | Expression |
---|---|
dmgmn0.a | ⊢ (𝜑 → 𝐴 ∈ (ℂ ∖ (ℤ ∖ ℕ))) |
dmgmdivn0.a | ⊢ (𝜑 → 𝑀 ∈ ℕ) |
Ref | Expression |
---|---|
dmgmdivn0 | ⊢ (𝜑 → ((𝐴 / 𝑀) + 1) ≠ 0) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dmgmn0.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ (ℂ ∖ (ℤ ∖ ℕ))) | |
2 | 1 | eldifad 3946 | . . . 4 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
3 | dmgmdivn0.a | . . . . 5 ⊢ (𝜑 → 𝑀 ∈ ℕ) | |
4 | 3 | nncnd 11646 | . . . 4 ⊢ (𝜑 → 𝑀 ∈ ℂ) |
5 | 3 | nnne0d 11679 | . . . 4 ⊢ (𝜑 → 𝑀 ≠ 0) |
6 | 2, 4, 4, 5 | divdird 11446 | . . 3 ⊢ (𝜑 → ((𝐴 + 𝑀) / 𝑀) = ((𝐴 / 𝑀) + (𝑀 / 𝑀))) |
7 | 4, 5 | dividd 11406 | . . . 4 ⊢ (𝜑 → (𝑀 / 𝑀) = 1) |
8 | 7 | oveq2d 7164 | . . 3 ⊢ (𝜑 → ((𝐴 / 𝑀) + (𝑀 / 𝑀)) = ((𝐴 / 𝑀) + 1)) |
9 | 6, 8 | eqtrd 2854 | . 2 ⊢ (𝜑 → ((𝐴 + 𝑀) / 𝑀) = ((𝐴 / 𝑀) + 1)) |
10 | 2, 4 | addcld 10652 | . . 3 ⊢ (𝜑 → (𝐴 + 𝑀) ∈ ℂ) |
11 | 3 | nnnn0d 11947 | . . . 4 ⊢ (𝜑 → 𝑀 ∈ ℕ0) |
12 | dmgmaddn0 25592 | . . . 4 ⊢ ((𝐴 ∈ (ℂ ∖ (ℤ ∖ ℕ)) ∧ 𝑀 ∈ ℕ0) → (𝐴 + 𝑀) ≠ 0) | |
13 | 1, 11, 12 | syl2anc 586 | . . 3 ⊢ (𝜑 → (𝐴 + 𝑀) ≠ 0) |
14 | 10, 4, 13, 5 | divne0d 11424 | . 2 ⊢ (𝜑 → ((𝐴 + 𝑀) / 𝑀) ≠ 0) |
15 | 9, 14 | eqnetrrd 3082 | 1 ⊢ (𝜑 → ((𝐴 / 𝑀) + 1) ≠ 0) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2108 ≠ wne 3014 ∖ cdif 3931 (class class class)co 7148 ℂcc 10527 0cc0 10529 1c1 10530 + caddc 10532 / cdiv 11289 ℕcn 11630 ℕ0cn0 11889 ℤcz 11973 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1905 ax-6 1964 ax-7 2009 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2154 ax-12 2170 ax-ext 2791 ax-sep 5194 ax-nul 5201 ax-pow 5257 ax-pr 5320 ax-un 7453 ax-resscn 10586 ax-1cn 10587 ax-icn 10588 ax-addcl 10589 ax-addrcl 10590 ax-mulcl 10591 ax-mulrcl 10592 ax-mulcom 10593 ax-addass 10594 ax-mulass 10595 ax-distr 10596 ax-i2m1 10597 ax-1ne0 10598 ax-1rid 10599 ax-rnegex 10600 ax-rrecex 10601 ax-cnre 10602 ax-pre-lttri 10603 ax-pre-lttrn 10604 ax-pre-ltadd 10605 ax-pre-mulgt0 10606 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1083 df-3an 1084 df-tru 1534 df-ex 1775 df-nf 1779 df-sb 2064 df-mo 2616 df-eu 2648 df-clab 2798 df-cleq 2812 df-clel 2891 df-nfc 2961 df-ne 3015 df-nel 3122 df-ral 3141 df-rex 3142 df-reu 3143 df-rmo 3144 df-rab 3145 df-v 3495 df-sbc 3771 df-csb 3882 df-dif 3937 df-un 3939 df-in 3941 df-ss 3950 df-pss 3952 df-nul 4290 df-if 4466 df-pw 4539 df-sn 4560 df-pr 4562 df-tp 4564 df-op 4566 df-uni 4831 df-iun 4912 df-br 5058 df-opab 5120 df-mpt 5138 df-tr 5164 df-id 5453 df-eprel 5458 df-po 5467 df-so 5468 df-fr 5507 df-we 5509 df-xp 5554 df-rel 5555 df-cnv 5556 df-co 5557 df-dm 5558 df-rn 5559 df-res 5560 df-ima 5561 df-pred 6141 df-ord 6187 df-on 6188 df-lim 6189 df-suc 6190 df-iota 6307 df-fun 6350 df-fn 6351 df-f 6352 df-f1 6353 df-fo 6354 df-f1o 6355 df-fv 6356 df-riota 7106 df-ov 7151 df-oprab 7152 df-mpo 7153 df-om 7573 df-wrecs 7939 df-recs 8000 df-rdg 8038 df-er 8281 df-en 8502 df-dom 8503 df-sdom 8504 df-pnf 10669 df-mnf 10670 df-xr 10671 df-ltxr 10672 df-le 10673 df-sub 10864 df-neg 10865 df-div 11290 df-nn 11631 df-n0 11890 df-z 11974 |
This theorem is referenced by: lgamgulmlem2 25599 lgamgulmlem3 25600 lgamgulmlem5 25602 lgamgulmlem6 25603 lgamgulm2 25605 lgamcvg2 25624 gamcvg 25625 gamcvg2lem 25628 regamcl 25630 iprodgam 32967 |
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