| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Principle of identity with antecedent. |
| Ref | Expression |
|---|---|
| idd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | id 73 |
. 2
| |
| 2 | 1 | a1i 8 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: pm2.63 474 anim1d 619 anim2d 620 orim1d 625 orim2d 626 dedlemaOLD 838 r19.36av 2232 r19.44av 2240 r19.45av 2241 eqsbc3r 2507 reuss 2871 opthpr 3156 relop 4113 abfii4 5654 ordtypelem6 5689 en3lplem2 5757 rankxplim3 5825 ra4sbc2 5829 sbcim2g 5841 omsubel 5883 elnnz 7354 expeq0 7828 expord2 7849 0top 8905 opni3 9143 lmfexlem1 9234 grpnnncan2 9378 va1cnlem 9684 ipsubdir 9849 minveceu 9928 soxp 13950 merco2 14203 meran1 14235 clfsebs 14707 fincmpzer 14711 svs2 14829 hmphsyma 14882 bwt2 14960 dualalg 15131 fiss 15368 ordtypelem6OLD 15380 omsubelOLD 15392 ist1-3 15543 fdc1 15813 totbndbnd 15944 ringsubdi 16106 ringsubdir 16107 ax10ext 16364 idn2 16509 idn3 16510 trsspwALT2 16641 sspwtrALT 16644 sstrALT2 16659 lubid 16807 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-mp 7 |