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Related theorems Unicode version |
| Description: Value of a function given by an ordered-pair class abstraction, outside of its domain. |
| Ref | Expression |
|---|---|
| fvopab4ndm.1 |
|
| Ref | Expression |
|---|---|
| fvopab4ndm |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvopab4ndm.1 |
. . . . . 6
| |
| 2 | 1 | dmeqi 3310 |
. . . . 5
|
| 3 | dmopabss 3319 |
. . . . 5
| |
| 4 | 2, 3 | eqsstr 2089 |
. . . 4
|
| 5 | 4 | sseli 2063 |
. . 3
|
| 6 | 5 | con3i 98 |
. 2
|
| 7 | ndmfv 3743 |
. 2
| |
| 8 | 6, 7 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: curry1val 4098 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-9 965 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-sep 2701 ax-pow 2740 ax-pr 2777 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1586 df-ral 1648 df-rex 1649 df-v 1810 df-dif 2047 df-un 2048 df-in 2049 df-ss 2051 df-nul 2279 df-pw 2400 df-sn 2410 df-pr 2411 df-op 2414 df-uni 2502 df-br 2618 df-opab 2665 df-xp 3182 df-cnv 3184 df-dm 3186 df-rn 3187 df-res 3188 df-ima 3189 df-fv 3196 |