| Mathbox for Glauco Siliprandi |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > sublimc | Structured version Visualization version GIF version | ||
| Description: Subtraction of two limits. (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
| Ref | Expression |
|---|---|
| sublimc.f | ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) |
| sublimc.2 | ⊢ 𝐺 = (𝑥 ∈ 𝐴 ↦ 𝐶) |
| sublimc.3 | ⊢ 𝐻 = (𝑥 ∈ 𝐴 ↦ (𝐵 − 𝐶)) |
| sublimc.4 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ ℂ) |
| sublimc.5 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐶 ∈ ℂ) |
| sublimc.6 | ⊢ (𝜑 → 𝐸 ∈ (𝐹 limℂ 𝐷)) |
| sublimc.7 | ⊢ (𝜑 → 𝐼 ∈ (𝐺 limℂ 𝐷)) |
| Ref | Expression |
|---|---|
| sublimc | ⊢ (𝜑 → (𝐸 − 𝐼) ∈ (𝐻 limℂ 𝐷)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sublimc.f | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 2 | eqid 2762 | . . 3 ⊢ (𝑥 ∈ 𝐴 ↦ -𝐶) = (𝑥 ∈ 𝐴 ↦ -𝐶) | |
| 3 | eqid 2762 | . . 3 ⊢ (𝑥 ∈ 𝐴 ↦ (𝐵 + -𝐶)) = (𝑥 ∈ 𝐴 ↦ (𝐵 + -𝐶)) | |
| 4 | sublimc.4 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ ℂ) | |
| 5 | sublimc.5 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐶 ∈ ℂ) | |
| 6 | 5 | negcld 11562 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → -𝐶 ∈ ℂ) |
| 7 | sublimc.6 | . . 3 ⊢ (𝜑 → 𝐸 ∈ (𝐹 limℂ 𝐷)) | |
| 8 | sublimc.2 | . . . 4 ⊢ 𝐺 = (𝑥 ∈ 𝐴 ↦ 𝐶) | |
| 9 | sublimc.7 | . . . 4 ⊢ (𝜑 → 𝐼 ∈ (𝐺 limℂ 𝐷)) | |
| 10 | 8, 2, 5, 9 | neglimc 46389 | . . 3 ⊢ (𝜑 → -𝐼 ∈ ((𝑥 ∈ 𝐴 ↦ -𝐶) limℂ 𝐷)) |
| 11 | 1, 2, 3, 4, 6, 7, 10 | addlimc 46390 | . 2 ⊢ (𝜑 → (𝐸 + -𝐼) ∈ ((𝑥 ∈ 𝐴 ↦ (𝐵 + -𝐶)) limℂ 𝐷)) |
| 12 | limccl 26045 | . . . . 5 ⊢ (𝐹 limℂ 𝐷) ⊆ ℂ | |
| 13 | 12, 7 | sselid 3934 | . . . 4 ⊢ (𝜑 → 𝐸 ∈ ℂ) |
| 14 | limccl 26045 | . . . . 5 ⊢ (𝐺 limℂ 𝐷) ⊆ ℂ | |
| 15 | 14, 9 | sselid 3934 | . . . 4 ⊢ (𝜑 → 𝐼 ∈ ℂ) |
| 16 | 13, 15 | negsubd 11581 | . . 3 ⊢ (𝜑 → (𝐸 + -𝐼) = (𝐸 − 𝐼)) |
| 17 | 16 | eqcomd 2768 | . 2 ⊢ (𝜑 → (𝐸 − 𝐼) = (𝐸 + -𝐼)) |
| 18 | sublimc.3 | . . . 4 ⊢ 𝐻 = (𝑥 ∈ 𝐴 ↦ (𝐵 − 𝐶)) | |
| 19 | 4, 5 | negsubd 11581 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝐵 + -𝐶) = (𝐵 − 𝐶)) |
| 20 | 19 | eqcomd 2768 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝐵 − 𝐶) = (𝐵 + -𝐶)) |
| 21 | 20 | mpteq2dva 5203 | . . . 4 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ (𝐵 − 𝐶)) = (𝑥 ∈ 𝐴 ↦ (𝐵 + -𝐶))) |
| 22 | 18, 21 | eqtrid 2809 | . . 3 ⊢ (𝜑 → 𝐻 = (𝑥 ∈ 𝐴 ↦ (𝐵 + -𝐶))) |
| 23 | 22 | oveq1d 7427 | . 2 ⊢ (𝜑 → (𝐻 limℂ 𝐷) = ((𝑥 ∈ 𝐴 ↦ (𝐵 + -𝐶)) limℂ 𝐷)) |
| 24 | 11, 17, 23 | 3eltr4d 2877 | 1 ⊢ (𝜑 → (𝐸 − 𝐼) ∈ (𝐻 limℂ 𝐷)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 400 = wceq 1569 ∈ wcel 2142 ↦ cmpt 5191 (class class class)co 7412 ℂcc 11104 + caddc 11109 − cmin 11447 -cneg 11448 limℂ climc 26032 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5237 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183 ax-pre-sup 11184 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1103 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4595 df-uni 4872 df-int 4912 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5555 df-eprel 5560 df-po 5568 df-so 5569 df-fr 5613 df-we 5615 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7861 df-1st 7984 df-2nd 7985 df-frecs 8276 df-wrecs 8307 df-recs 8356 df-rdg 8395 df-1o 8451 df-er 8692 df-map 8824 df-pm 8825 df-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 df-fi 9369 df-sup 9400 df-inf 9401 df-pnf 11251 df-mnf 11252 df-xr 11253 df-ltxr 11254 df-le 11255 df-sub 11449 df-neg 11450 df-div 11878 df-nn 12240 df-2 12309 df-3 12310 df-4 12311 df-5 12312 df-6 12313 df-7 12314 df-8 12315 df-9 12316 df-n0 12511 df-z 12598 df-dec 12718 df-uz 12869 df-q 12979 df-rp 13023 df-xneg 13143 df-xadd 13144 df-xmul 13145 df-fz 13542 df-seq 14045 df-exp 14105 df-cj 15157 df-re 15158 df-im 15159 df-sqrt 15293 df-abs 15294 df-struct 17213 df-slot 17248 df-ndx 17260 df-base 17276 df-plusg 17329 df-mulr 17330 df-starv 17331 df-tset 17335 df-ple 17336 df-ds 17338 df-unif 17339 df-rest 17481 df-topn 17482 df-topgen 17502 df-psmet 21525 df-xmet 21526 df-met 21527 df-bl 21528 df-mopn 21529 df-cnfld 21534 df-top 23062 df-topon 23079 df-topsp 23101 df-bases 23114 df-cnp 23396 df-xms 24488 df-ms 24489 df-limc 26036 |
| This theorem is used by: fourierdlem60 46908 fourierdlem61 46909 fourierdlem74 46922 fourierdlem75 46923 fourierdlem76 46924 |
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