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Mirrors > Home > MPE Home > Th. List > Mathboxes > climfveqmpt2 | Structured version Visualization version GIF version |
Description: Two functions that are eventually equal to one another have the same limit. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
Ref | Expression |
---|---|
climfveqmpt2.k | ⊢ Ⅎ𝑘𝜑 |
climfveqmpt2.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
climfveqmpt2.z | ⊢ 𝑍 = (ℤ≥‘𝑀) |
climfveqmpt2.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
climfveqmpt2.c | ⊢ (𝜑 → 𝐵 ∈ 𝑊) |
climfveqmpt2.s | ⊢ (𝜑 → 𝑍 ⊆ 𝐴) |
climfveqmpt2.i | ⊢ (𝜑 → 𝑍 ⊆ 𝐵) |
climfveqmpt2.b | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐶 ∈ 𝑈) |
Ref | Expression |
---|---|
climfveqmpt2 | ⊢ (𝜑 → ( ⇝ ‘(𝑘 ∈ 𝐴 ↦ 𝐶)) = ( ⇝ ‘(𝑘 ∈ 𝐵 ↦ 𝐶))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | climfveqmpt2.k | . 2 ⊢ Ⅎ𝑘𝜑 | |
2 | nfmpt1 5166 | . 2 ⊢ Ⅎ𝑘(𝑘 ∈ 𝐴 ↦ 𝐶) | |
3 | nfmpt1 5166 | . 2 ⊢ Ⅎ𝑘(𝑘 ∈ 𝐵 ↦ 𝐶) | |
4 | climfveqmpt2.z | . 2 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
5 | climfveqmpt2.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
6 | 5 | mptexd 6989 | . 2 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐶) ∈ V) |
7 | climfveqmpt2.c | . . 3 ⊢ (𝜑 → 𝐵 ∈ 𝑊) | |
8 | 7 | mptexd 6989 | . 2 ⊢ (𝜑 → (𝑘 ∈ 𝐵 ↦ 𝐶) ∈ V) |
9 | climfveqmpt2.m | . 2 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
10 | climfveqmpt2.s | . . . . 5 ⊢ (𝜑 → 𝑍 ⊆ 𝐴) | |
11 | 10 | sselda 3969 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝑘 ∈ 𝐴) |
12 | climfveqmpt2.b | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐶 ∈ 𝑈) | |
13 | eqid 2823 | . . . . 5 ⊢ (𝑘 ∈ 𝐴 ↦ 𝐶) = (𝑘 ∈ 𝐴 ↦ 𝐶) | |
14 | 13 | fvmpt2 6781 | . . . 4 ⊢ ((𝑘 ∈ 𝐴 ∧ 𝐶 ∈ 𝑈) → ((𝑘 ∈ 𝐴 ↦ 𝐶)‘𝑘) = 𝐶) |
15 | 11, 12, 14 | syl2anc 586 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝑘 ∈ 𝐴 ↦ 𝐶)‘𝑘) = 𝐶) |
16 | climfveqmpt2.i | . . . . 5 ⊢ (𝜑 → 𝑍 ⊆ 𝐵) | |
17 | 16 | sselda 3969 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝑘 ∈ 𝐵) |
18 | eqid 2823 | . . . . 5 ⊢ (𝑘 ∈ 𝐵 ↦ 𝐶) = (𝑘 ∈ 𝐵 ↦ 𝐶) | |
19 | 18 | fvmpt2 6781 | . . . 4 ⊢ ((𝑘 ∈ 𝐵 ∧ 𝐶 ∈ 𝑈) → ((𝑘 ∈ 𝐵 ↦ 𝐶)‘𝑘) = 𝐶) |
20 | 17, 12, 19 | syl2anc 586 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝑘 ∈ 𝐵 ↦ 𝐶)‘𝑘) = 𝐶) |
21 | 15, 20 | eqtr4d 2861 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝑘 ∈ 𝐴 ↦ 𝐶)‘𝑘) = ((𝑘 ∈ 𝐵 ↦ 𝐶)‘𝑘)) |
22 | 1, 2, 3, 4, 6, 8, 9, 21 | climfveqf 41968 | 1 ⊢ (𝜑 → ( ⇝ ‘(𝑘 ∈ 𝐴 ↦ 𝐶)) = ( ⇝ ‘(𝑘 ∈ 𝐵 ↦ 𝐶))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1537 Ⅎwnf 1784 ∈ wcel 2114 Vcvv 3496 ⊆ wss 3938 ↦ cmpt 5148 ‘cfv 6357 ℤcz 11984 ℤ≥cuz 12246 ⇝ cli 14843 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-rep 5192 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 ax-cnex 10595 ax-resscn 10596 ax-1cn 10597 ax-icn 10598 ax-addcl 10599 ax-addrcl 10600 ax-mulcl 10601 ax-mulrcl 10602 ax-mulcom 10603 ax-addass 10604 ax-mulass 10605 ax-distr 10606 ax-i2m1 10607 ax-1ne0 10608 ax-1rid 10609 ax-rnegex 10610 ax-rrecex 10611 ax-cnre 10612 ax-pre-lttri 10613 ax-pre-lttrn 10614 ax-pre-ltadd 10615 ax-pre-mulgt0 10616 ax-pre-sup 10617 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-nel 3126 df-ral 3145 df-rex 3146 df-reu 3147 df-rmo 3148 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-pss 3956 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-tp 4574 df-op 4576 df-uni 4841 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-tr 5175 df-id 5462 df-eprel 5467 df-po 5476 df-so 5477 df-fr 5516 df-we 5518 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-pred 6150 df-ord 6196 df-on 6197 df-lim 6198 df-suc 6199 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-riota 7116 df-ov 7161 df-oprab 7162 df-mpo 7163 df-om 7583 df-2nd 7692 df-wrecs 7949 df-recs 8010 df-rdg 8048 df-er 8291 df-en 8512 df-dom 8513 df-sdom 8514 df-sup 8908 df-pnf 10679 df-mnf 10680 df-xr 10681 df-ltxr 10682 df-le 10683 df-sub 10874 df-neg 10875 df-div 11300 df-nn 11641 df-2 11703 df-3 11704 df-n0 11901 df-z 11985 df-uz 12247 df-rp 12393 df-seq 13373 df-exp 13433 df-cj 14460 df-re 14461 df-im 14462 df-sqrt 14596 df-abs 14597 df-clim 14847 |
This theorem is referenced by: (None) |
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