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| Mirrors > Home > ILE Home > Th. List > Mathboxes > alsralrex | Unicode version | ||
| Description: The general "all
some" quantifier with class membership as its
antecedent holds if and only if |
| Ref | Expression |
|---|---|
| alsralrex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-als 17036 |
. . 3
| |
| 2 | df-ral 2533 |
. . . . 5
| |
| 3 | 2 | bicomi 132 |
. . . 4
|
| 4 | 3 | anbi1i 462 |
. . 3
|
| 5 | 1, 4 | bitri 184 |
. 2
|
| 6 | r19.2m 3614 |
. . . . 5
| |
| 7 | 6 | expcom 116 |
. . . 4
|
| 8 | rexm 3627 |
. . . . 5
| |
| 9 | 8 | a1i 9 |
. . . 4
|
| 10 | 7, 9 | impbid 129 |
. . 3
|
| 11 | 10 | pm5.32i 458 |
. 2
|
| 12 | 5, 11 | bitri 184 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 |
| This theorem depends on definitions: df-bi 117 df-clel 2234 df-ral 2533 df-rex 2534 df-als 17036 |
| This theorem is referenced by: ralals 17063 rexals 17064 |
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