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Mirrors > Home > ILE Home > Th. List > nfsbc1v | GIF version |
Description: Bound-variable hypothesis builder for class substitution. (Contributed by Mario Carneiro, 12-Oct-2016.) |
Ref | Expression |
---|---|
nfsbc1v | ⊢ Ⅎ𝑥[𝐴 / 𝑥]𝜑 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2279 | . 2 ⊢ Ⅎ𝑥𝐴 | |
2 | 1 | nfsbc1 2921 | 1 ⊢ Ⅎ𝑥[𝐴 / 𝑥]𝜑 |
Colors of variables: wff set class |
Syntax hints: Ⅎwnf 1436 [wsbc 2904 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-11 1484 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-sbc 2905 |
This theorem is referenced by: elrabsf 2942 cbvralcsf 3057 cbvrexcsf 3058 euotd 4171 findes 4512 omsinds 4530 elfvmptrab1 5508 ralrnmpt 5555 rexrnmpt 5556 dfopab2 6080 dfoprab3s 6081 mpoxopoveq 6130 findcard2 6776 findcard2s 6777 ac6sfi 6785 indpi 7143 nn0ind-raph 9161 uzind4s 9378 indstr 9381 fzrevral 9878 exfzdc 10010 uzsinds 10208 zsupcllemstep 11627 infssuzex 11631 prmind2 11790 bj-bdfindes 13136 bj-findes 13168 |
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