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Mathbox for Rohan Ridenour |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > nfcoll | Structured version Visualization version GIF version |
Description: Bound-variable hypothesis builder for the collection operation. (Contributed by Rohan Ridenour, 11-Aug-2023.) |
Ref | Expression |
---|---|
nfcoll.1 | ⊢ Ⅎ𝑥𝐹 |
nfcoll.2 | ⊢ Ⅎ𝑥𝐴 |
Ref | Expression |
---|---|
nfcoll | ⊢ Ⅎ𝑥(𝐹 Coll 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-coll 40959 | . 2 ⊢ (𝐹 Coll 𝐴) = ∪ 𝑦 ∈ 𝐴 Scott (𝐹 “ {𝑦}) | |
2 | nfcoll.2 | . . 3 ⊢ Ⅎ𝑥𝐴 | |
3 | nfcoll.1 | . . . . 5 ⊢ Ⅎ𝑥𝐹 | |
4 | nfcv 2955 | . . . . 5 ⊢ Ⅎ𝑥{𝑦} | |
5 | 3, 4 | nfima 5904 | . . . 4 ⊢ Ⅎ𝑥(𝐹 “ {𝑦}) |
6 | 5 | nfscott 40947 | . . 3 ⊢ Ⅎ𝑥Scott (𝐹 “ {𝑦}) |
7 | 2, 6 | nfiun 4911 | . 2 ⊢ Ⅎ𝑥∪ 𝑦 ∈ 𝐴 Scott (𝐹 “ {𝑦}) |
8 | 1, 7 | nfcxfr 2953 | 1 ⊢ Ⅎ𝑥(𝐹 Coll 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: Ⅎwnfc 2936 {csn 4525 ∪ ciun 4881 “ cima 5522 Scott cscott 40943 Coll ccoll 40958 |
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-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-sn 4526 df-pr 4528 df-op 4532 df-iun 4883 df-br 5031 df-opab 5093 df-xp 5525 df-cnv 5527 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-scott 40944 df-coll 40959 |
This theorem is referenced by: (None) |
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