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| Mirrors > Home > MPE Home > Th. List > rlimneg | Structured version Visualization version GIF version | ||
| Description: Limit of the negative of a sequence. (Contributed by Mario Carneiro, 18-May-2016.) |
| Ref | Expression |
|---|---|
| rlimneg.1 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ 𝑉) |
| rlimneg.2 | ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐵) ⇝𝑟 𝐶) |
| Ref | Expression |
|---|---|
| rlimneg | ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ -𝐵) ⇝𝑟 -𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0cnd 11224 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 0 ∈ ℂ) | |
| 2 | rlimneg.1 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ 𝑉) | |
| 3 | rlimneg.2 | . . . 4 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐵) ⇝𝑟 𝐶) | |
| 4 | 2, 3 | rlimmptrcl 15696 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) |
| 5 | 2 | ralrimiva 3154 | . . . . . 6 ⊢ (𝜑 → ∀𝑘 ∈ 𝐴 𝐵 ∈ 𝑉) |
| 6 | dmmptg 6238 | . . . . . 6 ⊢ (∀𝑘 ∈ 𝐴 𝐵 ∈ 𝑉 → dom (𝑘 ∈ 𝐴 ↦ 𝐵) = 𝐴) | |
| 7 | 5, 6 | syl 18 | . . . . 5 ⊢ (𝜑 → dom (𝑘 ∈ 𝐴 ↦ 𝐵) = 𝐴) |
| 8 | rlimss 15590 | . . . . . 6 ⊢ ((𝑘 ∈ 𝐴 ↦ 𝐵) ⇝𝑟 𝐶 → dom (𝑘 ∈ 𝐴 ↦ 𝐵) ⊆ ℝ) | |
| 9 | 3, 8 | syl 18 | . . . . 5 ⊢ (𝜑 → dom (𝑘 ∈ 𝐴 ↦ 𝐵) ⊆ ℝ) |
| 10 | 7, 9 | eqsstrrd 3966 | . . . 4 ⊢ (𝜑 → 𝐴 ⊆ ℝ) |
| 11 | 0cn 11223 | . . . 4 ⊢ 0 ∈ ℂ | |
| 12 | rlimconst 15632 | . . . 4 ⊢ ((𝐴 ⊆ ℝ ∧ 0 ∈ ℂ) → (𝑘 ∈ 𝐴 ↦ 0) ⇝𝑟 0) | |
| 13 | 10, 11, 12 | sylancl 598 | . . 3 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 0) ⇝𝑟 0) |
| 14 | 1, 4, 13, 3 | rlimsub 15732 | . 2 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ (0 − 𝐵)) ⇝𝑟 (0 − 𝐶)) |
| 15 | df-neg 11469 | . . 3 ⊢ -𝐵 = (0 − 𝐵) | |
| 16 | 15 | mpteq2i 5201 | . 2 ⊢ (𝑘 ∈ 𝐴 ↦ -𝐵) = (𝑘 ∈ 𝐴 ↦ (0 − 𝐵)) |
| 17 | df-neg 11469 | . 2 ⊢ -𝐶 = (0 − 𝐶) | |
| 18 | 14, 16, 17 | 3brtr4g 5139 | 1 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ -𝐵) ⇝𝑟 -𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∀wral 3076 ⊆ wss 3899 class class class wbr 5103 ↦ cmpt 5186 dom cdm 5655 (class class class)co 7414 ℂcc 11123 ℝcr 11124 0cc0 11125 − cmin 11466 -cneg 11467 ⇝𝑟 crli 15573 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11181 ax-resscn 11182 ax-1cn 11183 ax-icn 11184 ax-addcl 11185 ax-addrcl 11186 ax-mulcl 11187 ax-mulrcl 11188 ax-mulcom 11189 ax-addass 11190 ax-mulass 11191 ax-distr 11192 ax-i2m1 11193 ax-1ne0 11194 ax-1rid 11195 ax-rnegex 11196 ax-rrecex 11197 ax-cnre 11198 ax-pre-lttri 11199 ax-pre-lttrn 11200 ax-pre-ltadd 11201 ax-pre-mulgt0 11202 ax-pre-sup 11203 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-er 8697 df-pm 8830 df-en 8954 df-dom 8955 df-sdom 8956 df-sup 9413 df-pnf 11270 df-mnf 11271 df-xr 11272 df-ltxr 11273 df-le 11274 df-sub 11468 df-neg 11469 df-div 11897 df-nn 12259 df-2 12328 df-3 12329 df-n0 12530 df-z 12617 df-uz 12889 df-rp 13044 df-seq 14067 df-exp 14127 df-cj 15187 df-re 15188 df-im 15189 df-sqrt 15323 df-abs 15324 df-rlim 15577 |
| This theorem is used by: (None) |
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