| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > nfesum1 | Structured version Visualization version GIF version | ||
| Description: Bound-variable hypothesis builder for extended sum. (Contributed by Thierry Arnoux, 19-Oct-2017.) |
| Ref | Expression |
|---|---|
| nfesum1.1 | ⊢ Ⅎ𝑘𝐴 |
| Ref | Expression |
|---|---|
| nfesum1 | ⊢ Ⅎ𝑘Σ*𝑘 ∈ 𝐴𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-esum 34525 | . 2 ⊢ Σ*𝑘 ∈ 𝐴𝐵 = ∪ ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵)) | |
| 2 | nfcv 2924 | . . . 4 ⊢ Ⅎ𝑘(ℝ*𝑠 ↾s (0[,]+∞)) | |
| 3 | nfcv 2924 | . . . 4 ⊢ Ⅎ𝑘 tsums | |
| 4 | nfmpt1 5208 | . . . 4 ⊢ Ⅎ𝑘(𝑘 ∈ 𝐴 ↦ 𝐵) | |
| 5 | 2, 3, 4 | nfov 7446 | . . 3 ⊢ Ⅎ𝑘((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵)) |
| 6 | 5 | nfuni 4877 | . 2 ⊢ Ⅎ𝑘∪ ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵)) |
| 7 | 1, 6 | nfcxfr 2922 | 1 ⊢ Ⅎ𝑘Σ*𝑘 ∈ 𝐴𝐵 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: Ⅎwnfc 2909 ∪ cuni 4870 ↦ cmpt 5190 (class class class)co 7416 0cc0 11127 +∞cpnf 11267 [,]cicc 13403 ↾s cress 17326 ℝ*𝑠cxrs 17590 tsums ctsu 24353 Σ*cesum 34524 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-mpt 5191 df-iota 6493 df-fv 6545 df-ov 7419 df-esum 34525 |
| This theorem is used by: esumfsup 34567 esum2d 34590 oms0 34795 omssubadd 34798 |
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