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Mirrors > Home > ILE Home > Th. List > iseqf1olemqf | GIF version |
Description: Lemma for seq3f1o 10396. Domain and codomain of 𝑄. (Contributed by Jim Kingdon, 26-Aug-2022.) |
Ref | Expression |
---|---|
iseqf1olemqf.k | ⊢ (𝜑 → 𝐾 ∈ (𝑀...𝑁)) |
iseqf1olemqf.j | ⊢ (𝜑 → 𝐽:(𝑀...𝑁)–1-1-onto→(𝑀...𝑁)) |
iseqf1olemqf.q | ⊢ 𝑄 = (𝑢 ∈ (𝑀...𝑁) ↦ if(𝑢 ∈ (𝐾...(◡𝐽‘𝐾)), if(𝑢 = 𝐾, 𝐾, (𝐽‘(𝑢 − 1))), (𝐽‘𝑢))) |
Ref | Expression |
---|---|
iseqf1olemqf | ⊢ (𝜑 → 𝑄:(𝑀...𝑁)⟶(𝑀...𝑁)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | iseqf1olemqf.k | . . . 4 ⊢ (𝜑 → 𝐾 ∈ (𝑀...𝑁)) | |
2 | 1 | adantr 274 | . . 3 ⊢ ((𝜑 ∧ 𝑢 ∈ (𝑀...𝑁)) → 𝐾 ∈ (𝑀...𝑁)) |
3 | iseqf1olemqf.j | . . . 4 ⊢ (𝜑 → 𝐽:(𝑀...𝑁)–1-1-onto→(𝑀...𝑁)) | |
4 | 3 | adantr 274 | . . 3 ⊢ ((𝜑 ∧ 𝑢 ∈ (𝑀...𝑁)) → 𝐽:(𝑀...𝑁)–1-1-onto→(𝑀...𝑁)) |
5 | simpr 109 | . . 3 ⊢ ((𝜑 ∧ 𝑢 ∈ (𝑀...𝑁)) → 𝑢 ∈ (𝑀...𝑁)) | |
6 | 2, 4, 5 | iseqf1olemqcl 10378 | . 2 ⊢ ((𝜑 ∧ 𝑢 ∈ (𝑀...𝑁)) → if(𝑢 ∈ (𝐾...(◡𝐽‘𝐾)), if(𝑢 = 𝐾, 𝐾, (𝐽‘(𝑢 − 1))), (𝐽‘𝑢)) ∈ (𝑀...𝑁)) |
7 | iseqf1olemqf.q | . 2 ⊢ 𝑄 = (𝑢 ∈ (𝑀...𝑁) ↦ if(𝑢 ∈ (𝐾...(◡𝐽‘𝐾)), if(𝑢 = 𝐾, 𝐾, (𝐽‘(𝑢 − 1))), (𝐽‘𝑢))) | |
8 | 6, 7 | fmptd 5620 | 1 ⊢ (𝜑 → 𝑄:(𝑀...𝑁)⟶(𝑀...𝑁)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 = wceq 1335 ∈ wcel 2128 ifcif 3505 ↦ cmpt 4025 ◡ccnv 4584 ⟶wf 5165 –1-1-onto→wf1o 5168 ‘cfv 5169 (class class class)co 5821 1c1 7727 − cmin 8040 ...cfz 9905 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-13 2130 ax-14 2131 ax-ext 2139 ax-sep 4082 ax-pow 4135 ax-pr 4169 ax-un 4393 ax-setind 4495 ax-cnex 7817 ax-resscn 7818 ax-1cn 7819 ax-1re 7820 ax-icn 7821 ax-addcl 7822 ax-addrcl 7823 ax-mulcl 7824 ax-addcom 7826 ax-addass 7828 ax-distr 7830 ax-i2m1 7831 ax-0lt1 7832 ax-0id 7834 ax-rnegex 7835 ax-cnre 7837 ax-pre-ltirr 7838 ax-pre-ltwlin 7839 ax-pre-lttrn 7840 ax-pre-ltadd 7842 |
This theorem depends on definitions: df-bi 116 df-dc 821 df-3or 964 df-3an 965 df-tru 1338 df-fal 1341 df-nf 1441 df-sb 1743 df-eu 2009 df-mo 2010 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ne 2328 df-nel 2423 df-ral 2440 df-rex 2441 df-reu 2442 df-rab 2444 df-v 2714 df-sbc 2938 df-dif 3104 df-un 3106 df-in 3108 df-ss 3115 df-if 3506 df-pw 3545 df-sn 3566 df-pr 3567 df-op 3569 df-uni 3773 df-int 3808 df-br 3966 df-opab 4026 df-mpt 4027 df-id 4253 df-xp 4591 df-rel 4592 df-cnv 4593 df-co 4594 df-dm 4595 df-rn 4596 df-res 4597 df-ima 4598 df-iota 5134 df-fun 5171 df-fn 5172 df-f 5173 df-f1 5174 df-fo 5175 df-f1o 5176 df-fv 5177 df-riota 5777 df-ov 5824 df-oprab 5825 df-mpo 5826 df-pnf 7908 df-mnf 7909 df-xr 7910 df-ltxr 7911 df-le 7912 df-sub 8042 df-neg 8043 df-inn 8828 df-n0 9085 df-z 9162 df-uz 9434 df-fz 9906 |
This theorem is referenced by: iseqf1olemqf1o 10385 iseqf1olemqpcl 10388 seq3f1olemqsum 10392 |
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