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Mirrors > Home > HOLE Home > Th. List > euval | Unicode version |
Description: Value of the 'exists unique' predicate. |
Ref | Expression |
---|---|
alval.1 |
Ref | Expression |
---|---|
euval |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | weu 131 | . . 3 | |
2 | alval.1 | . . 3 | |
3 | 1, 2 | wc 45 | . 2 |
4 | df-eu 123 | . . 3 | |
5 | 1, 2, 4 | ceq1 79 | . 2 |
6 | wex 129 | . . . 4 | |
7 | wal 124 | . . . . . 6 | |
8 | wv 58 | . . . . . . . . 9 | |
9 | wv 58 | . . . . . . . . 9 | |
10 | 8, 9 | wc 45 | . . . . . . . 8 |
11 | wv 58 | . . . . . . . . 9 | |
12 | 9, 11 | weqi 68 | . . . . . . . 8 |
13 | 10, 12 | weqi 68 | . . . . . . 7 |
14 | 13 | wl 59 | . . . . . 6 |
15 | 7, 14 | wc 45 | . . . . 5 |
16 | 15 | wl 59 | . . . 4 |
17 | 6, 16 | wc 45 | . . 3 |
18 | weq 38 | . . . . . . . 8 | |
19 | 8, 2 | weqi 68 | . . . . . . . . . 10 |
20 | 19 | id 25 | . . . . . . . . 9 |
21 | 8, 9, 20 | ceq1 79 | . . . . . . . 8 |
22 | 18, 10, 12, 21 | oveq1 89 | . . . . . . 7 |
23 | 13, 22 | leq 81 | . . . . . 6 |
24 | 7, 14, 23 | ceq2 80 | . . . . 5 |
25 | 15, 24 | leq 81 | . . . 4 |
26 | 6, 16, 25 | ceq2 80 | . . 3 |
27 | 17, 2, 26 | cl 106 | . 2 |
28 | 3, 5, 27 | eqtri 85 | 1 |
Colors of variables: type var term |
Syntax hints: tv 1 ht 2 hb 3 kc 5 kl 6 ke 7 kt 8 kbr 9 wffMMJ2 11 wffMMJ2t 12 tal 112 tex 113 teu 115 |
This theorem was proved from axioms: ax-syl 15 ax-jca 17 ax-simpl 20 ax-simpr 21 ax-id 24 ax-trud 26 ax-cb1 29 ax-cb2 30 ax-refl 39 ax-eqmp 42 ax-ceq 46 ax-beta 60 ax-distrc 61 ax-leq 62 ax-hbl1 93 ax-17 95 ax-inst 103 |
This theorem depends on definitions: df-ov 65 df-al 116 df-an 118 df-im 119 df-ex 121 df-eu 123 |
This theorem is referenced by: (None) |
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