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| Description: Inference of ordered pair abstraction subclass from implication. |
| Ref | Expression |
|---|---|
| ssopab2i.1 |
|
| Ref | Expression |
|---|---|
| ssopab2i |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssopab2 2784 |
. 2
| |
| 2 | ssopab2i.1 |
. . 3
| |
| 3 | 2 | ax-gen 955 |
. 2
|
| 4 | 1, 3 | mpgbir 964 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: opabssxp 3196 relopab 3228 tz7.44-1 3867 tz7.44-2 3868 tz7.44-3 3869 ssoprab2i 3947 eloprabi 4056 aceq3 4657 dfef2 7200 infmap2lem2 7473 bcthlem15 7895 ajfval 8335 cmpfun 8722 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-4 951 ax-5 952 ax-6 953 ax-7 954 ax-gen 955 ax-8 1101 ax-9 1102 ax-10 1103 ax-12 1104 ax-13 1107 ax-14 1108 ax-11 1180 ax-17 1190 ax-16 1194 ax-11o 1202 ax-ext 1436 ax-sep 2671 ax-pow 2710 ax-pr 2747 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 957 df-sb 1155 df-eu 1359 df-mo 1360 df-clab 1441 df-cleq 1446 df-clel 1449 df-ne 1563 df-v 1787 df-dif 2020 df-un 2021 df-in 2022 df-ss 2024 df-nul 2252 df-pw 2373 df-sn 2383 df-pr 2384 df-op 2387 df-opab 2635 |