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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 7154 | . 2 ⊢ (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) = {〈〈𝑥, 𝑦〉, 𝑧〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑧 = 𝐶)} | |
2 | nfoprab2 7209 | . 2 ⊢ Ⅎ𝑦{〈〈𝑥, 𝑦〉, 𝑧〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑧 = 𝐶)} | |
3 | 1, 2 | nfcxfr 2974 | 1 ⊢ Ⅎ𝑦(𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: ∧ wa 398 = wceq 1536 ∈ wcel 2113 Ⅎwnfc 2960 {coprab 7150 ∈ cmpo 7151 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2792 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-ex 1780 df-nf 1784 df-sb 2069 df-clab 2799 df-cleq 2813 df-clel 2892 df-nfc 2962 df-oprab 7153 df-mpo 7154 |
This theorem is referenced by: ovmpos 7291 ov2gf 7292 ovmpodxf 7293 ovmpodf 7299 ovmpodv2 7301 xpcomco 8600 mapxpen 8676 pwfseqlem2 10074 pwfseqlem4a 10076 pwfseqlem4 10077 gsum2d2lem 19086 gsum2d2 19087 gsumcom2 19088 dprd2d2 19159 cnmpt21 22272 cnmpt2t 22274 cnmptcom 22279 cnmpt2k 22289 xkocnv 22415 finxpreclem2 34693 finxpreclem6 34699 fmuldfeq 41939 smflimlem6 43127 ovmpordxf 44457 |
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