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| Description: Functionality and domain of an ordered-pair class abstraction. |
| Ref | Expression |
|---|---|
| fnopab2.1 |
|
| fnopab2.2 |
|
| Ref | Expression |
|---|---|
| fnopab2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fnopab2.1 |
. . . 4
| |
| 2 | 1 | eueq1 1917 |
. . 3
|
| 3 | 2 | a1i 8 |
. 2
|
| 4 | fnopab2.2 |
. 2
| |
| 5 | 3, 4 | fnopab 3617 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: dmopab2 3619 fnopabfv 3758 rnssopab 3825 fopabco 3832 fopabcos 3833 fopabsn 3840 funiunfv 3866 fo1st 4091 fo2nd 4092 curry1 4098 pw2en 4446 mapxpen 4495 unfilem2 4549 pwfilemOLD 4570 aceq3lem 4732 aceq4 4734 ac6lem 4754 iundom 4812 cffnon 4907 seq1fnlem 6313 shftfn 6343 ref 6759 imf 6760 caucvg3 7167 cvgcmp2 7181 cvgcmp2c 7183 cvgcmp3ce 7187 geolimi 7236 eff 7313 reeff1o 7426 sinf 7440 cosf 7441 0vfval 8225 vsfval 8254 ipasslem8 8497 ubthlem6 8534 htthlem11 8630 sincolem 8665 efghgrpilem 8719 efif 8721 shftefif1olem 8741 pjfn 9646 pjmfn 9660 bra11 10041 |
| 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 2703 ax-pow 2742 ax-pr 2779 |
| 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 1587 df-ral 1649 df-v 1812 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-nul 2281 df-pw 2402 df-sn 2412 df-pr 2413 df-op 2416 df-br 2620 df-opab 2667 df-id 2835 df-xp 3184 df-rel 3185 df-cnv 3186 df-co 3187 df-dm 3188 df-rn 3189 df-fun 3192 df-fn 3193 |