| 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 34427 | . 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 5209 | . . . 4 ⊢ Ⅎ𝑘(𝑘 ∈ 𝐴 ↦ 𝐵) | |
| 5 | 2, 3, 4 | nfov 7442 | . . 3 ⊢ Ⅎ𝑘((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵)) |
| 6 | 5 | nfuni 4878 | . 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 4871 ↦ cmpt 5191 (class class class)co 7412 0cc0 11106 +∞cpnf 11246 [,]cicc 13381 ↾s cress 17296 ℝ*𝑠cxrs 17560 tsums ctsu 24294 Σ*cesum 34426 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ral 3079 df-rex 3089 df-rab 3416 df-v 3456 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-opab 5173 df-mpt 5192 df-iota 6492 df-fv 6544 df-ov 7415 df-esum 34427 |
| This theorem is used by: esumfsup 34469 esum2d 34492 oms0 34696 omssubadd 34699 |
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