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Mirrors > Home > MPE Home > Th. List > nfmpo2 | Structured version Visualization version GIF version |
Description: Bound-variable hypothesis builder for an operation in maps-to notation. (Contributed by NM, 27-Aug-2013.) |
Ref | Expression |
---|---|
nfmpo2 | ⊢ Ⅎ𝑦(𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-mpo 7140 | . 2 ⊢ (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) = {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑧 = 𝐶)} | |
2 | nfoprab2 7195 | . 2 ⊢ Ⅎ𝑦{〈〈𝑥, 𝑦〉, 𝑧〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑧 = 𝐶)} | |
3 | 1, 2 | nfcxfr 2953 | 1 ⊢ Ⅎ𝑦(𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: ∧ wa 399 = wceq 1538 ∈ wcel 2111 Ⅎwnfc 2936 {coprab 7136 ∈ cmpo 7137 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-ex 1782 df-nf 1786 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-oprab 7139 df-mpo 7140 |
This theorem is referenced by: ovmpos 7277 ov2gf 7278 ovmpodxf 7279 ovmpodf 7285 ovmpodv2 7287 xpcomco 8590 mapxpen 8667 pwfseqlem2 10070 pwfseqlem4a 10072 pwfseqlem4 10073 gsum2d2lem 19086 gsum2d2 19087 gsumcom2 19088 dprd2d2 19159 cnmpt21 22276 cnmpt2t 22278 cnmptcom 22283 cnmpt2k 22293 xkocnv 22419 finxpreclem2 34807 finxpreclem6 34813 mnringmulrcld 40936 fmuldfeq 42225 smflimlem6 43409 ovmpordxf 44740 |
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